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Interstate 10 (I-10) is the southernmost transcontinental highway in the Interstate Highway System. I-10 is the fourth-longest Interstate in the United States at , following Interstate 90, I-90, Interstate 80, I-80, and Interstate 40, I-40. This freeway is part of the originally planned network that was laid out in 1956, and its last section was completed in 1990.
I-10 stretches from the Pacific Ocean at California State Route 1, State Route 1 (SR 1, Pacific Coast Highway) in Santa Monica, California, to Interstate 95, I-95 in Jacksonville, Florida. Other major cities connected by I-10 include (from west to east) Los Angeles, Phoenix, Arizona, Phoenix, Las Cruces, New Mexico, Las Cruces, El Paso, Texas, El Paso, San Antonio, Houston, Baton Rouge, Louisiana, Baton Rouge, New Orleans, Gulfport, Mississippi, Gulfport, Mobile, Alabama, Mobile, Pensacola, Florida, Pensacola, and Tallahassee, Florida, Tallahassee. Over one-third of its total length is within the state of Texas, where the freeway spans the state at its widest breadth.
Between its west terminus in Santa Monica, California, and the major East Los Angeles Interchange, I-10 is known as the Santa Monica Freeway. The Santa Monica Freeway is also called the Rosa Parks Freeway, named after Rosa Parks, the civil rights activist, for the segment beginning at Interstate 405 (California), I-405 (San Diego Freeway), and ending at Interstate 110 and State Route 110 (California), I-110/SR 110 (Harbor Freeway). The segment between the East Los Angeles Interchange, in East Los Angeles, California, East Los Angeles, and the city of San Bernardino, California, San Bernardino, long, is called the San Bernardino Freeway. Other names exist for I-10. For example, a sign near the western terminus of the highway in Santa Monica proclaims this highway the Christopher Columbus Transcontinental Highway.
I-10 is known to a considerably lesser degree as the Veterans Memorial Highway, and it is listed as a Blue Star Memorial Highway. In Palm Springs, California, Palm Springs, I-10 is also named the Sonny Bono Memorial Freeway, named after Sonny Bono, the singer, actor, and politician, as a tribute to the late entertainer who served both as the mayor of Palm Springs, and as a US Representative. Another stretch a short distance east in Indio, CA, Indio is proclaimed the Doctor June McCarroll Memorial Freeway, named after June McCarroll, the nurse known for popularizing road lane striping.
In Arizona, the highway is designated the Pearl Harbor Memorial Highway. The portion through Phoenix, Arizona, Phoenix is named the Papago Freeway, and it is a vital piece of the Roads and freeways in metropolitan Phoenix, metropolitan Phoenix freeway system. This designation starts at Arizona State Route 101, State Route 101 (SR 101; Loop 101), near 99th Avenue, and continues eastward to the interchange southeast of downtown, which is the terminus of Interstate 17, I-17.
Near Buckeye, Arizona, Buckeye, the freeway has milemarkers posted every from 112.2 to 110.8 with the Interstate shield and direction of travel posted on the westbound lanes. On the eastbound lanes, milemarkers from 110.8 to 112.2 do not include the I‑10 shield and direction of travel.
From the southern terminus of I-17 to the southernmost junction with Arizona State Route 202, SR 202 (Loop 202), the highway is signed as the Maricopa Freeway. This name holds true as well for I-17 from its southern terminus to the Durango Curve south of Buckeye Road. From Loop 202 south to the eastern terminus of Interstate 8, I-8 just southeast of Casa Grande, Arizona, Casa Grande, the highway is declared the Pearl Harbor Memorial Highway. The Arizona Department of Transportation also has maps that show it as the Maricopa Freeway, while the American Automobile Association and other sources show it as the Pima Freeway. The latter's name is used on a stretch of Loop 101 from Loop 202 to I-17.
Between I-17 in Phoenix and the Interstate 19, I-19 interchanges in Tucson, Arizona, Tucson, I-10 is included in the federally designated CANAMEX Corridor, extending from Mexico City, Mexico, to Edmonton, Alberta.
In Tucson, between I-10 mileposts 259 and 260 are interchange ramps connecting I-10 with the northern terminus of I-19.
The highest elevation along I-10 occurs just east of Tucson, west of Willcox, Arizona, Willcox, at the milemarker 320 exit for the rest stop. The westbound lanes of I-10 briefly cross above above sea level.
From the state line with New Mexico (at Anthony, Texas, Anthony) to Texas State Highway 20, State Highway 20 (SH 20) in west El Paso, Texas, El Paso, I-10 is bordered by frontage roads South Desert for lanes along I-10 east (actually headed south) and North Desert for lanes along I-10 west (headed north). The Interstate then has no frontage roads for but regains them east of downtown and retains them to Clint, Texas, Clint. In this stretch, the frontage roads are Gateway East for the eastbound lanes and Gateway West for the westbound lanes. All four frontage roads are one-way streets. Gateway East and Gateway West are notable, in particular, for the Texas Department of Transportation (TxDOT)'s liberal usage of the Texas U-turn at most underpasses of I-10 on this stretch.
I-10 is the western terminus for Interstate 20, I-20, and the two highways intersect in Reeves County, Texas, Reeves County, about southwest of Pecos, at milemarker 186.
A small portion of I-10 from Texas State Highway Loop 1604, Loop 1604 to Downtown San Antonio is known as the Northwest Expressway or the McDermott Freeway, while another portion from downtown to Loop 1604 east is called East Expressway or José López Freeway. In Downtown San Antonio, it has a concurrency with Interstate 35, I-35, and, throughout most of the northwest side of the city, it has a concurrency with U.S. Route 87, US 87, which begins in Comfort, Texas, Comfort, before turning off and heading east out of the city. Starting in San Antonio, it follows a more direct route of U.S. Route 90, US 90, with occasional small concurrences.
In Houston, from the western suburb of Katy, Texas, Katy to downtown, I-10 is commonly known as the Katy Freeway. This section has as many as 26 lanes (12 mainlanes, eight lanes of access roads, and six mid-freeway high-occupancy toll [HOT]/high-occupancy vehicle [HOV] lanes, not counting access road turning lanes) and is one of the widest freeways in the world. The space for the expansion was the Right-of-way (transportation), right-of-way of the old Missouri–Kansas–Texas Railroad. The section east of Downtown Houston is officially known as the East Freeway, although it is widely known by locals as the Baytown East Freeway due to a marketing push by Baytown, Texas, Baytown, one of the largest cities in Greater Houston.
In Beaumont, Texas, Beaumont, it is known as I-10 south, south of Calder Avenue, and I-10 north, north of Calder Avenue. It is known as I-10 east from the I-10 curve to the Neches River, which is Beaumont's and Jefferson County, Texas, Jefferson County's eastern boundary line. Continuing into Orange County, Texas, Orange County and passing through the city of Orange, Texas, Orange at the easternmost end of Texas, and located at the base of the Sabine River (Texas–Louisiana), Sabine River bridge is the last I-10 milemarker in Texas, number 880, before entering into Louisiana. Approximately 36 percent of I-10's entire route is located within Texas; the longest segment of any signed Interstate within one state.
In Lake Charles, Louisiana, Lake Charles, a loop route signed as Interstate 210 (Louisiana), I-210 branches off of I-10 and goes through the southern portion of the city. In Lafayette, Louisiana, Lafayette, it serves as the southern terminus for Interstate 49, I-49. Shortly afterward, there is an stretch of elevated highway between Lafayette and Baton Rouge known as the Atchafalaya Swamp Freeway, as it goes over the Atchafalaya River, across the Atchafalaya Basin Bridge, and the adjacent swamps. It crosses the Mississippi River at the Horace Wilkinson Bridge in Baton Rouge, Louisiana, Baton Rouge, where the eastbound lanes are the only portion of I-10 that is essentially one lane. After crossing the Horace Wilkinson Bridge, two lanes from Interstate 110 (Louisiana), I-110 south merge with two lanes I-10 east into three lanes with one of the eastbound lanes quickly becoming an exit only lane. After this, the highway is back to four lanes approaching the I-10/Interstate 12, I-12 split. I-12 links Baton Rouge to Slidell, Louisiana, Slidell and bypasses I-10's southward jog through New Orleans by remaining north of Lake Pontchartrain. On this route, I-10 serves as the southern terminus for I-55 in LaPlace, Louisiana, LaPlace and crosses over a portion of Lake Pontchartrain on the I-10 Bonnet Carré Spillway Bridge. In New Orleans, a stretch of I-10 from the I-10/I-610 Junction near the Orleans Parish, Louisiana, Orleans–Jefferson Parish, Louisiana, Jefferson parish line to the U.S. Route 90, US 90/U.S. Route 90 Business (New Orleans, Louisiana), US 90 Business (US 90 Bus.) junction is known as the Pontchartrain Expressway. A dip near the I-10/I-610 junction to travel under a railroad track is one of the lowest points in New Orleans and is highly susceptible to flooding. Buildups of rainwater dozens of feet deep (several meters) are commonplace during hurricanes. Near Slidell, Louisiana, Slidell, I-10 serves as the eastern terminus of I-12 and the southern terminus of I-59; turning east to the Mississippi state line. The highway is known as the Stephen Ambrose Memorial Highway, named after Stephen E. Ambrose, the historian and writer, until the state line.
Interstate 310 (Louisiana), I-310 and Interstate 510, I-510 are the built sections of what was slated to be Interstate 410 (Louisiana 1969), I-410, which would have acted as a southern bypass of New Orleans. They function as spur routes serving lower density or suburban areas west and east of New Orleans respectively. Interstate 610 (Louisiana), I-610 is a shortcut from the eastern to western portion of New Orleans avoiding I-10's detour into the New Orleans Central Business District.
I-10 crosses over the border from Jackson County, Mississippi, and it goes through Mobile County, Alabama, Mobile County in southwestern Alabama. In Mobile, Alabama, Mobile, I-10 is the southern terminus of Interstate 65, I-65. In downtown Mobile, I-10 goes through one of the few highway tunnels in Alabama, the George Wallace Tunnel under the Mobile River.
The speed limit of the eastbound approach is posted at because of the sharp downward curve approaching the tunnel. The highway then crosses approximately of the upper part of Mobile Bay on the Jubilee Parkway, a bridge that local people call the "Bayway". The highway is next to Battleship Parkway. On the other side of Mobile Bay, the highway goes through the suburban area of Baldwin County, Alabama, Baldwin County before passing through Malbis, Alabama, Malbis, Loxley, Alabama, Loxley, and then on to the Perdido River to cross over into Florida.
While the highway has existed as far back as 1957, the last section of the entire route to be completed was a section of the Papago Freeway from both I-17 interchanges (including the Deck Park Tunnel) in Phoenix, which opened in 1990.
Many widening projects have taken place on the interstate in the late 2000s. In Pensacola, Florida, a stretch of I-10 was widened to six lanes in 2008. In Tallahassee, Florida, construction was completed in June 2009 on a project to widen a roughly stretch of I-10 to six lanes (eight in some places). In Tucson, Arizona, all exits between Prince Road and 22nd Street reopened after an extensive, three-year improvement project. I-10 was widened from six to eight lanes, and seven bridges and underpasses have been built to deal with congestion. I-10 from the Interstate 8, I-8 interchange in Casa Grande, Arizona, Casa Grande to Marana, Arizona, Marana was widened from four to six lanes from the second half of 2007, to its completion in 2009. Also in Arizona, from Verrado Way in Verrado, Buckeye, Arizona, Buckeye, all the way to Avondale, Arizona, Avondale, the Interstate was widened throughout the late 2000s and early 2010s, with an HOV lane added between Estrella Parkway in Goodyear, Arizona, Goodyear and Arizona State Route 101, Loop 101.
Texas formerly shared the highest Speed limits in the United States, speed limit in the nation with Utah's test section of Interstate 15, I-15. The speed limit along I-10 from Kerr County, Texas, Kerr County to El Paso County, Texas, El Paso County was raised by the Texas Legislature to in 1999 and to in 2006. However, the nighttime maximum speed limit remained , and the daytime truck speed limit was . With of highway in Texas, the stretch of I-10, and of I-20, between Monahans and the I-10 interchange at the cusp of the Davis Mountains, only a small percentage of roads were affected. On September 1, 2011, nighttime speed limits were eliminated, and the statutory maximum speed limit in Texas was increased from .
As far back as the 1990s, Florida and Alabama have considered a connector that would link Dothan, Alabama, with I-10. In 2008, a proposal to make this new highway a toll road and to expedite its construction to complete it in five years surfaced. In 2012, federal funds previously set aside for the connector were allocated to other projects. In 2014, Florida sought bids for a feasibility study.
Interstate Guide: I-10
{{DEFAULTSORT:I10 Interstate 10, Interstate Highway System, 10
Route description
, - , Interstate 10 in California, CA , , - , Interstate 10 in Arizona, AZ , , - , Interstate 10 in New Mexico, NM , , - , Interstate 10 in Texas, TX , , - , Interstate 10 in Louisiana, LA , , - , Interstate 10 in Mississippi, MS , , - , Interstate 10 in Alabama, AL , , - , Interstate 10 in Florida, FL , , - , Total ,California
Between its west terminus in Santa Monica, California, and the major East Los Angeles Interchange, I-10 is known as the Santa Monica Freeway. The Santa Monica Freeway is also called the Rosa Parks Freeway, named after Rosa Parks, the civil rights activist, for the segment beginning at Interstate 405 (California), I-405 (San Diego Freeway), and ending at Interstate 110 and State Route 110 (California), I-110/SR 110 (Harbor Freeway). The segment between the East Los Angeles Interchange, in East Los Angeles, California, East Los Angeles, and the city of San Bernardino, California, San Bernardino, long, is called the San Bernardino Freeway. Other names exist for I-10. For example, a sign near the western terminus of the highway in Santa Monica proclaims this highway the Christopher Columbus Transcontinental Highway.
I-10 is known to a considerably lesser degree as the Veterans Memorial Highway, and it is listed as a Blue Star Memorial Highway. In Palm Springs, California, Palm Springs, I-10 is also named the Sonny Bono Memorial Freeway, named after Sonny Bono, the singer, actor, and politician, as a tribute to the late entertainer who served both as the mayor of Palm Springs, and as a US Representative. Another stretch a short distance east in Indio, CA, Indio is proclaimed the Doctor June McCarroll Memorial Freeway, named after June McCarroll, the nurse known for popularizing road lane striping.
Arizona
In Arizona, the highway is designated the Pearl Harbor Memorial Highway. The portion through Phoenix, Arizona, Phoenix is named the Papago Freeway, and it is a vital piece of the Roads and freeways in metropolitan Phoenix, metropolitan Phoenix freeway system. This designation starts at Arizona State Route 101, State Route 101 (SR 101; Loop 101), near 99th Avenue, and continues eastward to the interchange southeast of downtown, which is the terminus of Interstate 17, I-17.
Near Buckeye, Arizona, Buckeye, the freeway has milemarkers posted every from 112.2 to 110.8 with the Interstate shield and direction of travel posted on the westbound lanes. On the eastbound lanes, milemarkers from 110.8 to 112.2 do not include the I‑10 shield and direction of travel.
From the southern terminus of I-17 to the southernmost junction with Arizona State Route 202, SR 202 (Loop 202), the highway is signed as the Maricopa Freeway. This name holds true as well for I-17 from its southern terminus to the Durango Curve south of Buckeye Road. From Loop 202 south to the eastern terminus of Interstate 8, I-8 just southeast of Casa Grande, Arizona, Casa Grande, the highway is declared the Pearl Harbor Memorial Highway. The Arizona Department of Transportation also has maps that show it as the Maricopa Freeway, while the American Automobile Association and other sources show it as the Pima Freeway. The latter's name is used on a stretch of Loop 101 from Loop 202 to I-17.
Between I-17 in Phoenix and the Interstate 19, I-19 interchanges in Tucson, Arizona, Tucson, I-10 is included in the federally designated CANAMEX Corridor, extending from Mexico City, Mexico, to Edmonton, Alberta.
In Tucson, between I-10 mileposts 259 and 260 are interchange ramps connecting I-10 with the northern terminus of I-19.
The highest elevation along I-10 occurs just east of Tucson, west of Willcox, Arizona, Willcox, at the milemarker 320 exit for the rest stop. The westbound lanes of I-10 briefly cross above above sea level.
New Mexico
In New Mexico, I-10 more or less follows the former path of U.S. Route 80, US Route 80 (US 80) across the state, although major portions of old US 80 were bypassed in the western New Mexico Bootheel and in Doña Ana County, New Mexico, Doña Ana County. I-10 passes through three southern New Mexico municipalities of regional significance before the junction with Interstate 25, I-25: Lordsburg, New Mexico, Lordsburg, Deming, New Mexico, Deming, and Las Cruces, New Mexico, Las Cruces. Most of I-10 in New Mexico, between exit 24 and exit 135, is concurrent with U.S. Route 70, US 70. At Lordsburg is the western junction of US 70 and a concurrency (road), concurrency; the two highways are joined all the way to Las Cruces. Several exits between Lordsburg and Deming are either for former towns (including Separ, New Mexico, Separ, Quincy, New Mexico, Quincy, and Gage, New Mexico, Gage) or lack any town at all. At Deming is the western junction of U.S. Route 180, US 180, which also forms a concurrency with I-10 all the way to El Paso. north of Deming on US 180 is New Mexico State Road 26, State Road 26 (NM 26) which serves as a short cut to north I-25 and Albuquerque, New Mexico, Albuquerque. I-10/US 70/US 180 continue east to Las Cruces which is the southern end of I-25. US 70 leaves I-10 (prior to the junction with I-25), heading northeast to Alamogordo, New Mexico, Alamogordo and passing through the north side of Las Cruces. The junction with I-25 occurs just south of the New Mexico State University campus, on the southern end of Las Cruces. I-10/US 180 becomes concurrent with U.S. Route 85, US 85 at the junction with I-25. I-10/US 85/US 180 then turns south to the Texas state line, crossing it at Anthony, New Mexico, Anthony.Texas
From the state line with New Mexico (at Anthony, Texas, Anthony) to Texas State Highway 20, State Highway 20 (SH 20) in west El Paso, Texas, El Paso, I-10 is bordered by frontage roads South Desert for lanes along I-10 east (actually headed south) and North Desert for lanes along I-10 west (headed north). The Interstate then has no frontage roads for but regains them east of downtown and retains them to Clint, Texas, Clint. In this stretch, the frontage roads are Gateway East for the eastbound lanes and Gateway West for the westbound lanes. All four frontage roads are one-way streets. Gateway East and Gateway West are notable, in particular, for the Texas Department of Transportation (TxDOT)'s liberal usage of the Texas U-turn at most underpasses of I-10 on this stretch.
I-10 is the western terminus for Interstate 20, I-20, and the two highways intersect in Reeves County, Texas, Reeves County, about southwest of Pecos, at milemarker 186.
A small portion of I-10 from Texas State Highway Loop 1604, Loop 1604 to Downtown San Antonio is known as the Northwest Expressway or the McDermott Freeway, while another portion from downtown to Loop 1604 east is called East Expressway or José López Freeway. In Downtown San Antonio, it has a concurrency with Interstate 35, I-35, and, throughout most of the northwest side of the city, it has a concurrency with U.S. Route 87, US 87, which begins in Comfort, Texas, Comfort, before turning off and heading east out of the city. Starting in San Antonio, it follows a more direct route of U.S. Route 90, US 90, with occasional small concurrences.
In Houston, from the western suburb of Katy, Texas, Katy to downtown, I-10 is commonly known as the Katy Freeway. This section has as many as 26 lanes (12 mainlanes, eight lanes of access roads, and six mid-freeway high-occupancy toll [HOT]/high-occupancy vehicle [HOV] lanes, not counting access road turning lanes) and is one of the widest freeways in the world. The space for the expansion was the Right-of-way (transportation), right-of-way of the old Missouri–Kansas–Texas Railroad. The section east of Downtown Houston is officially known as the East Freeway, although it is widely known by locals as the Baytown East Freeway due to a marketing push by Baytown, Texas, Baytown, one of the largest cities in Greater Houston.
In Beaumont, Texas, Beaumont, it is known as I-10 south, south of Calder Avenue, and I-10 north, north of Calder Avenue. It is known as I-10 east from the I-10 curve to the Neches River, which is Beaumont's and Jefferson County, Texas, Jefferson County's eastern boundary line. Continuing into Orange County, Texas, Orange County and passing through the city of Orange, Texas, Orange at the easternmost end of Texas, and located at the base of the Sabine River (Texas–Louisiana), Sabine River bridge is the last I-10 milemarker in Texas, number 880, before entering into Louisiana. Approximately 36 percent of I-10's entire route is located within Texas; the longest segment of any signed Interstate within one state.
Louisiana
In Lake Charles, Louisiana, Lake Charles, a loop route signed as Interstate 210 (Louisiana), I-210 branches off of I-10 and goes through the southern portion of the city. In Lafayette, Louisiana, Lafayette, it serves as the southern terminus for Interstate 49, I-49. Shortly afterward, there is an stretch of elevated highway between Lafayette and Baton Rouge known as the Atchafalaya Swamp Freeway, as it goes over the Atchafalaya River, across the Atchafalaya Basin Bridge, and the adjacent swamps. It crosses the Mississippi River at the Horace Wilkinson Bridge in Baton Rouge, Louisiana, Baton Rouge, where the eastbound lanes are the only portion of I-10 that is essentially one lane. After crossing the Horace Wilkinson Bridge, two lanes from Interstate 110 (Louisiana), I-110 south merge with two lanes I-10 east into three lanes with one of the eastbound lanes quickly becoming an exit only lane. After this, the highway is back to four lanes approaching the I-10/Interstate 12, I-12 split. I-12 links Baton Rouge to Slidell, Louisiana, Slidell and bypasses I-10's southward jog through New Orleans by remaining north of Lake Pontchartrain. On this route, I-10 serves as the southern terminus for I-55 in LaPlace, Louisiana, LaPlace and crosses over a portion of Lake Pontchartrain on the I-10 Bonnet Carré Spillway Bridge. In New Orleans, a stretch of I-10 from the I-10/I-610 Junction near the Orleans Parish, Louisiana, Orleans–Jefferson Parish, Louisiana, Jefferson parish line to the U.S. Route 90, US 90/U.S. Route 90 Business (New Orleans, Louisiana), US 90 Business (US 90 Bus.) junction is known as the Pontchartrain Expressway. A dip near the I-10/I-610 junction to travel under a railroad track is one of the lowest points in New Orleans and is highly susceptible to flooding. Buildups of rainwater dozens of feet deep (several meters) are commonplace during hurricanes. Near Slidell, Louisiana, Slidell, I-10 serves as the eastern terminus of I-12 and the southern terminus of I-59; turning east to the Mississippi state line. The highway is known as the Stephen Ambrose Memorial Highway, named after Stephen E. Ambrose, the historian and writer, until the state line.
Interstate 310 (Louisiana), I-310 and Interstate 510, I-510 are the built sections of what was slated to be Interstate 410 (Louisiana 1969), I-410, which would have acted as a southern bypass of New Orleans. They function as spur routes serving lower density or suburban areas west and east of New Orleans respectively. Interstate 610 (Louisiana), I-610 is a shortcut from the eastern to western portion of New Orleans avoiding I-10's detour into the New Orleans Central Business District.
Mississippi
I-10 in Mississippi runs from the Louisiana state line to the Alabama state line through Hancock County, Mississippi, Hancock, Harrison County, Mississippi, Harrison, and Jackson County, Mississippi, Jackson counties on the Gulf Coast of the United States, Gulf Coast. It passes through the northern sections of Gulfport, Mississippi, Gulfport and Biloxi, Mississippi, Biloxi while passing just north of Pascagoula, Mississippi, Pascagoula and Bay St. Louis, Mississippi, Bay St. Louis. It also passes right south of the NASA Stennis Space Center. The highway roughly parallels U.S. Route 90, US 90. The law defining the route of I-10 is Mississippi Code § 65-3-3.Alabama
I-10 crosses over the border from Jackson County, Mississippi, and it goes through Mobile County, Alabama, Mobile County in southwestern Alabama. In Mobile, Alabama, Mobile, I-10 is the southern terminus of Interstate 65, I-65. In downtown Mobile, I-10 goes through one of the few highway tunnels in Alabama, the George Wallace Tunnel under the Mobile River.
The speed limit of the eastbound approach is posted at because of the sharp downward curve approaching the tunnel. The highway then crosses approximately of the upper part of Mobile Bay on the Jubilee Parkway, a bridge that local people call the "Bayway". The highway is next to Battleship Parkway. On the other side of Mobile Bay, the highway goes through the suburban area of Baldwin County, Alabama, Baldwin County before passing through Malbis, Alabama, Malbis, Loxley, Alabama, Loxley, and then on to the Perdido River to cross over into Florida.
Florida
I-10 travels north of the cities of Pensacola, Florida, Pensacola and Tallahassee, Florida, Tallahassee, serving the suburban areas within each respective city. In the former, a spur route serves the downtown area, signed as Interstate 110 (Florida), I-110. Most of I-10 in Florida travels through some of the least-populated areas in the state, with large portions of I-10 west of Interstate 295 (Florida), I-295 in Jacksonville, Florida, Jacksonville having only four lanes. In Jacksonville, as in Arizona, I-10 is designated as the Pearl Harbor Memorial Highway. The route ends at an interchange with I-95 northwest of Downtown Jacksonville. Throughout much of Florida, I-10 is also State Road 8 (SR 8), though it is not signed as such. (I-110 in Pensacola being known as SR 8A.)History
While the highway has existed as far back as 1957, the last section of the entire route to be completed was a section of the Papago Freeway from both I-17 interchanges (including the Deck Park Tunnel) in Phoenix, which opened in 1990.
Many widening projects have taken place on the interstate in the late 2000s. In Pensacola, Florida, a stretch of I-10 was widened to six lanes in 2008. In Tallahassee, Florida, construction was completed in June 2009 on a project to widen a roughly stretch of I-10 to six lanes (eight in some places). In Tucson, Arizona, all exits between Prince Road and 22nd Street reopened after an extensive, three-year improvement project. I-10 was widened from six to eight lanes, and seven bridges and underpasses have been built to deal with congestion. I-10 from the Interstate 8, I-8 interchange in Casa Grande, Arizona, Casa Grande to Marana, Arizona, Marana was widened from four to six lanes from the second half of 2007, to its completion in 2009. Also in Arizona, from Verrado Way in Verrado, Buckeye, Arizona, Buckeye, all the way to Avondale, Arizona, Avondale, the Interstate was widened throughout the late 2000s and early 2010s, with an HOV lane added between Estrella Parkway in Goodyear, Arizona, Goodyear and Arizona State Route 101, Loop 101.
Texas formerly shared the highest Speed limits in the United States, speed limit in the nation with Utah's test section of Interstate 15, I-15. The speed limit along I-10 from Kerr County, Texas, Kerr County to El Paso County, Texas, El Paso County was raised by the Texas Legislature to in 1999 and to in 2006. However, the nighttime maximum speed limit remained , and the daytime truck speed limit was . With of highway in Texas, the stretch of I-10, and of I-20, between Monahans and the I-10 interchange at the cusp of the Davis Mountains, only a small percentage of roads were affected. On September 1, 2011, nighttime speed limits were eliminated, and the statutory maximum speed limit in Texas was increased from .
As far back as the 1990s, Florida and Alabama have considered a connector that would link Dothan, Alabama, with I-10. In 2008, a proposal to make this new highway a toll road and to expedite its construction to complete it in five years surfaced. In 2012, federal funds previously set aside for the connector were allocated to other projects. In 2014, Florida sought bids for a feasibility study.
Junction list
;California : in Santa Monica, California, Santa Monica : on the Mar Vista, Los Angeles, Mar Vista–Palms, Los Angeles, Palms–West Los Angeles neighborhood line : in Downtown Los Angeles : in Boyle Heights, Los Angeles, Boyle Heights; the highways travel concurrently through Boyle Heights. : in Boyle Heights, Los Angeles, Boyle Heights : in Boyle Heights : on the Monterey Park, California, Monterey Park–Alhambra, California, Alhambra city line : in Baldwin Park, California, Baldwin Park : on the Pomona, California, Pomona–San Dimas, California, San Dimas city line : in Ontario, California, Ontario : in Colton, California, Colton : in Redlands, California, Redlands : in Beaumont, California, Beaumont : in Beaumont : near Palm Springs, California, Palm Springs : in Whitewater, California, Whitewater : near Indio, California, Indio : in Desert Center, California, Desert Center : in Blythe, California, Blythe; the highways travel concurrently to Quartzsite, Arizona. ;Arizona : in Quartzsite : southwest of Brenda, Arizona, Brenda : in Buckeye : in Goodyear : on the Avondale, Arizona, Avondale–Tolleson, Arizona, Tolleson city line : in Phoenix, Arizona, Phoenix : in Phoenix : in Phoenix : in Phoenix : in Phoenix : in Phoenix : on the Phoenix–Chandler, Arizona, Chandler city line : in Casa Grande, Arizona, Casa Grande : in Tucson, Arizona, Tucson : north-northwest of Cochise, Arizona, Cochise; the highways travel concurrently to northeast of Willcox, Arizona, Willcox. ;New Mexico : south-southwest of Lordsburg, New Mexico, Lordsburg : southwest of Lordsburg : north of Hachita, New Mexico, Hachita : in Las Cruces, New Mexico, Las Cruces : in Lordsburg; the highways travel concurrently to Las Cruces. : in Deming, New Mexico, Deming; the highways travel concurrently to El Paso, Texas. : on the Las Cruces–University Park, New Mexico, University Park line. I-10/US 85 travels concurrently to El Paso, Texas ;Texas : in El Paso : in El Paso : in Van Horn, Texas, Van Horn : in Reeves County, Texas, Reeves County : west of Fort Stockton, Texas, Fort Stockton; the highways travel concurrently to east-southeast of Fort Stockton. : in Fort Stockton : in Fort Stockton; the highways travel concurrently to east-southeast of Fort Stockton. : west-southwest of Iraan, Texas, Iraan : in Sonora, Texas, Sonora : in Junction, Texas, Junction. I-10/US 83 travels concurrently to north of Segovia, Texas, Segovia. : northwest of Mountain Home, Texas, Mountain Home : in Comfort, Texas, Comfort; the highways travel concurrently through San Antonio. : in San Antonio : in San Antonio; the highways travel concurrently through Downtown San Antonio. : in San Antonio. I-10/US 90 travels concurrently to west-southwest of Seguin, Texas, Seguin. : in San Antonio : in San Antonio; I-10/SH 130 travel concurrently until east of Seguin. : in Seguin : in Luling, Texas, Luling : east of Waelder, Texas, Waelder : in Schulenburg, Texas, Schulenburg : east-northeast of Schulenburg : west-southwest of Glidden, Texas, Glidden : east of Columbus, Texas, Columbus; the highways travel concurrently to Sealy, Texas, Sealy. : in Sealy, Texas, Sealy; the highways travel concurrently to west-southwest of Brookshire, Texas, Brookshire. : in Katy, Texas, Katy; the highways travel concurrently through Houston. : in Houston : in Houston : in Houston : in Houston : in Beaumont, Texas, Beaumont; the highways travel concurrently through Beaumont. : in Beaumont : in Beaumont; the highways travel concurrently to Toomey, Louisiana. ;Louisiana : east of Sulphur, Louisiana, Sulphur : west-southwest of Westlake, Louisiana, Westlake; the highways travel concurrently through Lake Charles, Louisiana, Lake Charles. : in Lake Charles : east-northeast of Lake Charles : east-northeast of Iowa, Louisiana, Iowa : in Lafayette, Louisiana, Lafayette : in Baton Rouge, Louisiana, Baton Rouge : in Baton Rouge : southeast of Sorrento, Louisiana, Sorrento : in LaPlace, Louisiana, LaPlace : in LaPlace : west of Kenner, Louisiana, Kenner : in New Orleans : in New Orleans : in New Orleans : in New Orleans : in New Orleans : in New Orleans : in New Orleans : in Slidell, Louisiana, Slidell : in Slidell ;Mississippi : in Gulfport, Mississippi, Gulfport : in D'Iberville, Mississippi, D'Iberville ;Alabama : on the Theodore, Alabama, Theodore–Tillmans Corner, Alabama, Tillmans Corner line. : in Mobile, Alabama, Mobile : in Mobile : east of Mobile : in Daphne, Alabama, Daphne ;Florida : on the Brent, Florida, Brent–Ensley, Florida, Ensley CDP line : on the Brent–Ensley–Ferry Pass, Florida, Ferry Pass CDP line : in Ferry Pass : in DeFuniak Springs, Florida, DeFuniak Springs : south of Cottondale, Florida, Cottondale : in Midway, Gadsden County, Florida, Midway : in Tallahassee, Florida, Tallahassee : in Tallahassee : in Tallahassee : north-northeast of Capps, Florida, Capps : south-southeast of Greenville, Florida, Greenville : southeast of Falmouth, Florida, Falmouth : north-northeast of Live Oak, Florida, Live Oak : south of White Springs, Florida, White Springs : northwest of Five Points, Florida, Five Points : in Lake City, Florida, Lake City : southwest of Sanderson, Florida, Sanderson : south-southwest of Baldwin, Florida, Baldwin : in Jacksonville, Florida, Jacksonville : in Jacksonville; the highways travel concurrently through Jacksonville : in JacksonvilleAuxiliary routes
* Los Angeles, California: Interstate 110 and State Route 110 (California), I-110, Foothill Freeway, I-210, Interstate 710 and State Route 710 (California), I-710 * San Bernardino, California: Foothill Freeway, I-210 * El Paso, Texas: Interstate 110 (Texas), I-110 * San Antonio, Texas: Interstate 410, I-410 * Houston, Texas: Interstate 610 (Texas), I-610 * Lake Charles, Louisiana: Interstate 210 (Louisiana), I-210 * Baton Rouge, Louisiana: Interstate 110 (Louisiana), I-110 * New Orleans, Louisiana: Interstate 310 (Louisiana), I-310, Interstate 510, I-510, Interstate 610 (Louisiana), I-610, Interstate 910, I-910 (Unsigned) * Biloxi, Mississippi: Interstate 110 (Mississippi), I-110 * Pensacola, Florida: Interstate 110 (Florida), I-110 * Business routes of Interstate 10 Another Interstate 310 (Mississippi), I-310 is proposed to connect to Gulfport, Mississippi as well.See also
*Notes
References
External links
*Interstate Guide: I-10
{{DEFAULTSORT:I10 Interstate 10, Interstate Highway System, 10