Interstate 405 (I-405) is a major north–south
auxiliary Interstate Highway in
Southern California
Southern California (commonly shortened to SoCal) is a geographic and Cultural area, cultural region that generally comprises the southern portion of the U.S. state of California. It includes the Los Angeles metropolitan area, the second most po ...
. The entire route is known as the northern segment of the
San Diego Freeway. I-405 is a
bypass
Bypass may refer to:
* Bypass (road), a road that avoids a built-up area (not to be confused with passing lane)
* Flood bypass of a river
Science and technology Medicine
* Bypass surgery, a class of surgeries including for example:
** Heart bypas ...
auxiliary route of
I-5
Interstate 5 (I-5) is the main north–south Interstate Highway on the West Coast of the United States, running largely parallel to the Pacific coast of the contiguous U.S. from Mexico to Canada. It travels through the states of Californi ...
, running along the southern and western parts of the
Greater Los Angeles
Greater Los Angeles is the second-largest metropolitan region in the United States with a population of 18.5 million in 2021, encompassing five counties in Southern California extending from Ventura County in the west to San Bernardino Coun ...
urban area from
Irvine Irvine may refer to:
Places On Earth Antarctica
*Irvine Glacier
*Mount Irvine (Antarctica)
Australia
*Irvine Island
*Mount Irvine, New South Wales
Canada
*Irvine, Alberta
* Irvine Inlet, Nunavut
United Kingdom
*Irvine, North Ayrshire, Scotla ...
in the south to near
San Fernando
San Fernando may refer to:
People
*Ferdinand III of Castile (c. 1200–1252), called ''San Fernando'' (Spanish) or ''Saint Ferdinand'', King of Castile, León, and Galicia
Places Argentina
*San Fernando de la Buena Vista, city of Greater Buenos ...
in the north.
I-405, heavily traveled by both commuters and freight haulers along its entire length, is the busiest and most congested freeway in the United States. The freeway's
annual average daily traffic between exits 21 and 22 in
Seal Beach
Seal Beach is a coastal city in Orange County, California, United States. As of the 2020 census, the population was 25,242, up from 24,168 at the 2010 census.
Seal Beach is located in the westernmost corner of Orange County. To the northwest ...
reached 374,000 in 2008, making it the highest count in the nation. It has played a crucial role in the development of dozens of cities and suburbs along its route through
Los Angeles
Los Angeles ( ; es, Los Ángeles, link=no , ), often referred to by its initials L.A., is the largest city in the state of California and the second most populous city in the United States after New York City, as well as one of the world' ...
and
Orange counties. It also serves
Los Angeles International Airport
Los Angeles International Airport , commonly referred to as LAX (with each letter pronounced individually), is the primary international airport serving Los Angeles, California and its surrounding metropolitan area. LAX is located in the W ...
(LAX),
Long Beach Airport (LGB) and Orange County's
John Wayne Airport
John Wayne Airport is a commercial and general aviation airport that serves Orange County, California, and the Greater Los Angeles area. The airport is located in an unincorporated area of Orange County, and it is owned and operated by the cou ...
(SNA).
Route description
Orange County
![Costa Mesa CA (2013) 01](https://upload.wikimedia.org/wikipedia/commons/e/e2/Costa_Mesa_CA_%282013%29_01.JPG)
I-405 begins at the
El Toro Y
The El Toro "Y" is a freeway interchange in southern Orange County, California where the Santa Ana Freeway, Interstate 5 (I-5), and the San Diego Freeway (at that point the I-405) merge. South of the El Toro Y, the highway is named the " ...
interchange in southeastern
Irvine Irvine may refer to:
Places On Earth Antarctica
*Irvine Glacier
*Mount Irvine (Antarctica)
Australia
*Irvine Island
*Mount Irvine, New South Wales
Canada
*Irvine, Alberta
* Irvine Inlet, Nunavut
United Kingdom
*Irvine, North Ayrshire, Scotla ...
in
Orange County
Orange County most commonly refers to:
*Orange County, California, part of the Los Angeles metropolitan area
Orange County may also refer to:
U.S. counties
*Orange County, Florida, containing Orlando
*Orange County, Indiana
*Orange County, New ...
, splitting from its parent
I-5
Interstate 5 (I-5) is the main north–south Interstate Highway on the West Coast of the United States, running largely parallel to the Pacific coast of the contiguous U.S. from Mexico to Canada. It travels through the states of Californi ...
and inheriting that route's
San Diego Freeway title; I-5 continues north as the
Santa Ana Freeway. The freeway passes immediately south of the
Irvine Spectrum Center
The Irvine Spectrum Center is an outdoor shopping center developed by the Irvine Company, located in the Irvine Spectrum district on the southeast edge of Irvine, California. The mall features Nordstrom and Target department stores, a ferris whee ...
mall before intersecting with
State Route 133 (SR 133). It then continues through Irvine, passing north of
UC Irvine and then along the northern boundary of
John Wayne International Airport
John Wayne Airport is a commercial and general aviation airport that serves Orange County, California, and the Greater Los Angeles area. The airport is located in an unincorporated area of Orange County, and it is owned and operated by the cou ...
. After passing the airport, the freeway enters
Costa Mesa and has an interchange with
SR 55. It passes
South Coast Plaza
South Coast Plaza is a regional shopping mall in Costa Mesa, California. The largest shopping center on the West Coast of the United States, its pre-COVID sales of over $1.5 billion annually were the highest in the United States. Its 275 retail ...
before a partial interchange with
SR 73, which serves as a partially-tolled bypass of I-405 between Costa Mesa and
Laguna Niguel.
The freeway then travels through
Fountain Valley and along the edges of
Westminster
Westminster is an area of Central London, part of the wider City of Westminster.
The area, which extends from the River Thames to Oxford Street, has many visitor attractions and historic landmarks, including the Palace of Westminster, Bu ...
and
Huntington Beach
Huntington Beach is a seaside city in Orange County in Southern California, located southeast of Downtown Los Angeles. The city is named after American businessman Henry E. Huntington. The population was 198,711 during the 2020 census, maki ...
before entering
Seal Beach
Seal Beach is a coastal city in Orange County, California, United States. As of the 2020 census, the population was 25,242, up from 24,168 at the 2010 census.
Seal Beach is located in the westernmost corner of Orange County. To the northwest ...
, where it begins to
run concurrently with
SR 22. It continues along the northern edge of Seal Beach, passing between
Naval Weapons Station Seal Beach
Naval Weapons Station Seal Beach is a United States Navy weapons and munitions loading, storage and maintenance facility located in Seal Beach, California, with detachments in Fallbrook and Norco, both also in California. It also encloses the ...
and
Joint Forces Training Base Los Alamitos
Joint Forces Training Base - Los Alamitos is a joint base in Los Alamitos, California, United States. Formerly operated as a naval air station, the base contains the Los Alamitos Army Airfield and is sometimes called by that name. The base is al ...
, before SR 22 splits from I-405 and continues west while the freeway turns north. I-405 then intersects the southern end of
I-605 before crossing the
San Gabriel River and entering
Los Angeles County
Los Angeles County, officially the County of Los Angeles, and sometimes abbreviated as L.A. County, is the most populous county in the United States and in the U.S. state of California, with 9,861,224 residents estimated as of 2022. It is the ...
.
Los Angeles County
I-405 enters Los Angeles County in the city of
Long Beach
Long Beach is a city in Los Angeles County, California. It is the 42nd-most populous city in the United States, with a population of 466,742 as of 2020. A charter city, Long Beach is the seventh-most populous city in California.
Incorporate ...
. It passes to the north of
California State University, Long Beach
California State University, Long Beach (CSULB) is a public research university in Long Beach, California. The 322-acre campus is the second largest of the 23-school California State University system (CSU) and one of the largest universities i ...
and then along the south of
Long Beach Airport. The freeway then intersects with
I-710
Route 710, consisting of the non-contiguous segments of State Route 710 (SR 710) and Interstate 710 (I-710), is a major north–south state highway and List of auxiliary Interstate Highways, auxiliary Interstate Highway in th ...
before entering
Carson
Carson may refer to:
People
*Carson (surname), people with the surname
*Carson (given name), people with the given name
Places
;In the United States
* Carson, California, a city
* Carson Township, Fayette County, Illinois
*Carson, Iowa, a city
* ...
(and crossing through a small sliver of the city of
Los Angeles
Los Angeles ( ; es, Los Ángeles, link=no , ), often referred to by its initials L.A., is the largest city in the state of California and the second most populous city in the United States after New York City, as well as one of the world' ...
before reentering Carson). It passes near
California State University, Dominguez Hills and
Dignity Health Sports Park, home of
Major League Soccer
Major League Soccer (MLS) is a men's professional soccer league sanctioned by the United States Soccer Federation, which represents the sport's highest level in the United States. The league comprises 29 teams—26 in the U.S. and 3 in Canada ...
club
LA Galaxy
LA Galaxy, also known as the Los Angeles Galaxy, are an American professional soccer club based in the Los Angeles metropolitan area. The Galaxy competes in Major League Soccer (MLS), as a member of the Western Conference. The club began pl ...
.
![405 freeway from the air](https://upload.wikimedia.org/wikipedia/commons/c/c6/405_freeway_from_the_air.jpg)
The freeway then intersects with
I-110 as it briefly reenters the city of Los Angeles by passing through the
Harbor Gateway
The Harbor Gateway is a in the Los Angeles Harbor Region, in the southern part of the city. The neighborhood is narrow and long, running along a north-south axis. Its unusual shape has given it the alternative name of "the Shoestring Strip". Th ...
, a
strip of land connecting
San Pedro to the rest of the city. I-405 then continues to roughly parallel the contour of the coastline as it passes through the
South Bay communities of
Torrance,
Lawndale,
Redondo Beach
Redondo Beach (Spanish for ''round'') is a coastal city in Los Angeles County, California, United States, located in the South Bay (Los Angeles County), South Bay region of the Greater Los Angeles area. It is one of three adjacent Beach Cities, b ...
,
Hawthorne
Hawthorne often refers to the American writer Nathaniel Hawthorne.
Hawthorne may also refer to:
Places
Australia
*Hawthorne, Queensland, a suburb of Brisbane
Canada
* Hawthorne Village, Ontario, a suburb of Milton, Ontario
United States
* Hawt ...
, and
El Segundo. The freeway then encounters
I-105 Interstate 105 may refer to either any of three unconnected Interstate Highways in the United States, each of which is or was related to Interstate 5:
* Interstate 105 (California), a spur of Interstate 5 in Los Angeles County, California
* Inte ...
on the southeastern corner of
Los Angeles International Airport
Los Angeles International Airport , commonly referred to as LAX (with each letter pronounced individually), is the primary international airport serving Los Angeles, California and its surrounding metropolitan area. LAX is located in the W ...
. It passes to the east of the airport, serving it with exits at
Imperial Highway and
Century Boulevard.
I-405 next passes through
Inglewood, coming near
SoFi Stadium, home to the
Los Angeles Rams
The Los Angeles Rams are a professional American football team based in the Los Angeles metropolitan area. The Rams compete in the National Football League (NFL) as a member of the National Football Conference (NFC) West division. The Rams play ...
and
Los Angeles Chargers of the
National Football League
The National Football League (NFL) is a professional American football league that consists of 32 teams, divided equally between the American Football Conference (AFC) and the National Football Conference (NFC). The NFL is one of the ...
. It then passes through
Westchester
Westchester most commonly refers to Westchester County, New York, immediately north of New York City.
__NOTOC__
It may also refer to: Geography Canada
*Westchester Station, Nova Scotia, Canada
United States
*Town of Westchester, the original seat ...
and
Culver City
Culver City is a city in Los Angeles County, California, United States. As of the 2020 census, the population was 40,779. Founded in 1917 as a "whites only" sundown town, it is now an ethnically diverse city with what was called the "third-most ...
where it meets
SR 90, the Marina Freeway. It serves the Los Angeles neighborhoods of
Mar Vista
Mar Vista is a neighborhood on the Westside of Los Angeles, California. In 1927, Mar Vista became the 70th community to be annexed to Los Angeles. It was designated as an official city neighborhood in 2006.
History
Mar Vista was called Ocean Par ...
and
West Los Angeles
West Los Angeles is an area within the city of Los Angeles, California. The residential and commercial neighborhood is divided by the Interstate 405 freeway, and each side is sometimes treated as a distinct neighborhood, mapped differently by di ...
while passing a few miles east of
Santa Monica, intersecting with
I-10
Interstate 10 (I-10) is the southernmost cross-country highway in the American Interstate Highway System. I-10 is the fourth-longest Interstate in the United States at , following I-90, I-80, and I-40. This freeway is part of the originally pl ...
in the process. The freeway continues into
Westwood, passing just to the west of
UCLA
The University of California, Los Angeles (UCLA) is a public land-grant research university in Los Angeles, California. UCLA's academic roots were established in 1881 as a teachers college then known as the southern branch of the California St ...
. It then passes the
Getty Center
The Getty Center, in Los Angeles, California, is a campus of the Getty Museum and other programs of the Getty Trust. The $1.3 billion center opened to the public on December 16, 1997 and is well known for its architecture, gardens, and views over ...
as it ascends the
Sepulveda Pass
Sepulveda Pass (elevation ) is a low mountain pass through the Santa Monica Mountains in Los Angeles. It is named after the Sepúlveda family of California, a prominent Californio family that owned the land where the pass lies.
It connects the L ...
through the
Santa Monica Mountains.
![Sandiegofreeway](https://upload.wikimedia.org/wikipedia/commons/4/41/Sandiegofreeway.jpg)
After cresting the mountains, I-405 descends into the
San Fernando Valley
The San Fernando Valley, known locally as the Valley, is an urbanized valley in Los Angeles County, California. Located to the north of the Los Angeles Basin, it contains a large portion of the City of Los Angeles, as well as unincorporated ar ...
, intersecting
U.S. Route 101 (US 101) in the
Sherman Oaks neighborhood of Los Angeles. The freeway then continues due north through the western part of the valley, passing east of
Van Nuys Airport and
California State University, Northridge
California State University, Northridge (CSUN or Cal State Northridge) is a public university in the Northridge neighborhood of Los Angeles, California. With a total enrollment of 38,551 students (as of Fall 2021), it has the second largest un ...
. It intersects
SR 118 in the
Mission Hills area before ending in a merge with I-5 near
San Fernando
San Fernando may refer to:
People
*Ferdinand III of Castile (c. 1200–1252), called ''San Fernando'' (Spanish) or ''Saint Ferdinand'', King of Castile, León, and Galicia
Places Argentina
*San Fernando de la Buena Vista, city of Greater Buenos ...
.
I-405 is part of the
California Freeway and Expressway System
The California Freeway and Expressway System is a system of existing or planned freeways and expressways in the U.S. state of California. It encompasses both State highways and federal highways in California. It is defined by Article 2 (commenci ...
,
and is part of the
National Highway System,
a network of highways that are considered essential to the country's economy, defense, and mobility by the
Federal Highway Administration
The Federal Highway Administration (FHWA) is a division of the United States Department of Transportation that specializes in highway transportation. The agency's major activities are grouped into two programs, the Federal-aid Highway Program a ...
.
The entire freeway is known as the San Diego Freeway, and parts of it are less commonly known as the Sepulveda Freeway (after
Sepulveda Boulevard).
Traffic congestion
![The 405 in the Sepulveda Pass](https://upload.wikimedia.org/wikipedia/commons/9/9c/The_405_in_the_Sepulveda_Pass.JPG)
The freeway is one of the busiest freeways in the nation, and is the busiest freeway in California.
The freeway's congestion problems are well-known, leading to jokes that the road was numbered 405 because traffic moves at "four or five" miles per hour, or because drivers had spent "four or five" hours to travel anywhere. Indeed, average speeds as low as are routinely recorded during morning and afternoon commutes, and its interchanges with the
Ventura Freeway (
US 101) and with the
Santa Monica Freeway (
I-10
Interstate 10 (I-10) is the southernmost cross-country highway in the American Interstate Highway System. I-10 is the fourth-longest Interstate in the United States at , following I-90, I-80, and I-40. This freeway is part of the originally pl ...
) each consistently rank among the five most congested freeway interchanges in the United States. As a result of these congestion problems, delays passing through the entire
Los Angeles metropolitan area using this bypass route instead of merely using the primary route I-5 through Downtown may be present.
I-405 is the only major north–south freeway in the densely populated areas between
West Los Angeles
West Los Angeles is an area within the city of Los Angeles, California. The residential and commercial neighborhood is divided by the Interstate 405 freeway, and each side is sometimes treated as a distinct neighborhood, mapped differently by di ...
and Downtown, crossing the
Santa Monica Mountains and connecting
San Fernando Valley
The San Fernando Valley, known locally as the Valley, is an urbanized valley in Los Angeles County, California. Located to the north of the Los Angeles Basin, it contains a large portion of the City of Los Angeles, as well as unincorporated ar ...
and the
Los Angeles basin
The Los Angeles Basin is a sedimentary basin located in Southern California, in a region known as the Peninsular Ranges. The basin is also connected to an anomalous group of east-west trending chains of mountains collectively known as the Tr ...
. It is also a major connection for traffic en route to either the
Port of Los Angeles
The Port of Los Angeles is a seaport managed by the Los Angeles Harbor Department, a unit of the City of Los Angeles. It occupies of land and water with of waterfront and adjoins the separate Port of Long Beach. Promoted as "America's Port", t ...
, the
Port of Long Beach,
Los Angeles International Airport
Los Angeles International Airport , commonly referred to as LAX (with each letter pronounced individually), is the primary international airport serving Los Angeles, California and its surrounding metropolitan area. LAX is located in the W ...
, or
SoFi Stadium. By 2040, this corridor is estimated to increase by 35 percent and travel times reduced by 75 percent.
Another parallel freeway is proposed to connect the Valley and the LA basin (the
Laurel Canyon Freeway or
La Cienega Freeway
LA most frequently refers to Los Angeles, the second largest city in the United States.
La, LA, or L.A. may also refer to:
Arts and entertainment Music
* La (musical note), or A, the sixth note
* "L.A.", a song by Elliott Smith on ''Figure ...
), but has faced
upper class home-owner opposition. Despite four years of construction disruptions, billions of dollars of public money, ''LA Times'' commentary claims traffic with the lane expansions is actually just as bad or worse.
Unlike some of the other major travel corridors in the region (such as
I-5
Interstate 5 (I-5) is the main north–south Interstate Highway on the West Coast of the United States, running largely parallel to the Pacific coast of the contiguous U.S. from Mexico to Canada. It travels through the states of Californi ...
which parallels the
LOSSAN Corridor
The ''Pacific Surfliner'' is a passenger train service serving the communities on the coast of Southern California between San Diego and San Luis Obispo.
The service carried 2,924,117 passengers during fiscal year 2016, a 3.4% increase from F ...
), I-405 has no rail-based public transit which parallels it along the west side of Orange and Los Angeles counties. There is a proposal for a
Sepulveda Pass Transit Corridor which would parallel I-405 through
Sepulveda Pass
Sepulveda Pass (elevation ) is a low mountain pass through the Santa Monica Mountains in Los Angeles. It is named after the Sepúlveda family of California, a prominent Californio family that owned the land where the pass lies.
It connects the L ...
, one of the major bottlenecks on the route, which would ease congestion by providing an alternative to driving.
History
![Marilyn Reece and Carol Schumaker](https://upload.wikimedia.org/wikipedia/commons/1/14/Marilyn_Reece_and_Carol_Schumaker.jpg)
I-405 was approved as a chargeable Interstate (in other words, an Interstate financed with federal funds) in 1955. Construction began in 1957 with the first section, mostly north of
LAX Airport, completed in 1961 (signed as SR 7) followed by sections west of
I-605 within the following few years. The highway was renumbered to I-405 during the
1964 renumbering. The final section covering most of
Orange County
Orange County most commonly refers to:
*Orange County, California, part of the Los Angeles metropolitan area
Orange County may also refer to:
U.S. counties
*Orange County, Florida, containing Orlando
*Orange County, Indiana
*Orange County, New ...
opened in 1969. Construction required the already existing
Mulholland Highway to be rerouted to the south along a new bridge, the Mulholland Drive Bridge, to span I-405.
"Carmageddon"
A section of I-405 was closed over the weekend of Friday, July 15, 2011 as part of the Sepulveda Pass Improvements Project.
Before the closing, local radio DJs and television newscasts referred to it as "Carmageddon" and "Carpocalypse", parodying the notion of
Armageddon and the
Apocalypse
Apocalypse () is a literary genre in which a supernatural being reveals cosmic mysteries or the future to a human intermediary. The means of mediation include dreams, visions and heavenly journeys, and they typically feature symbolic imager ...
, since it was anticipated that the closure would severely impact traffic. In reality, traffic was lighter than normal across a wide area. The
California Department of Transportation
The California Department of Transportation (Caltrans) is an executive department of the U.S. state of California. The department is part of the cabinet-level California State Transportation Agency (CalSTA). Caltrans is headquartered in Sacrame ...
(Caltrans) reported that fewer vehicles used the roads than usual, and those who did travel by road arrived more quickly than on a normal weekend.
[ The Metrolink commuter train system recorded its highest-ever weekend ridership since it began operating in 1991. Ridership was 50% higher than the same weekend in 2010, and 10% higher than the previous weekend ridership record, which occurred during the U2 360° Tour in June 2011. The '']Los Angeles Times
The ''Los Angeles Times'' (abbreviated as ''LA Times'') is a daily newspaper that started publishing in Los Angeles in 1881. Based in the LA-adjacent suburb of El Segundo since 2018, it is the sixth-largest newspaper by circulation in the Un ...
'' on Sunday, July 17, 2011, featured comments and images of people enjoying the moment next to the 405 freeway with the free-flowing traffic.
In response to jetBlue Airlines
JetBlue Airways Corporation (stylized as jetBlue) is a major American low cost airline, and the seventh largest airline in North America by passengers carried. The airline is headquartered in the Long Island City neighborhood of the New York C ...
' offer of special flights between Bob Hope Airport in Burbank and Long Beach Airport, a distance
Distance is a numerical or occasionally qualitative measurement of how far apart objects or points are. In physics or everyday usage, distance may refer to a physical length or an estimation based on other criteria (e.g. "two counties over"). ...
of only , for $4, a group of cyclists did the same journey in one and a half hours, compared to two and a half hours by plane (including a drive to the airport from West Hollywood 90 minutes in advance of the flight and travel time to the end destination). There was also some debate about whether the Los Angeles area could benefit from car-free weekends regularly.
The Los Angeles County Metropolitan Transportation Authority
The Los Angeles County Metropolitan Transportation Authority (LACMTA), commonly branded as Metro, LA Metro, and L.A. Metro, is the state agency that plans, operates, and coordinates funding for most of the transportation system in Los Angele ...
then had full closure of a stretch of I-405 on the weekend of September 29–30, 2012, while construction crews worked to demolish a portion of the Mulholland Bridge.
Researchers at the University of California, Los Angeles
The University of California, Los Angeles (UCLA) is a public land-grant research university in Los Angeles, California. UCLA's academic roots were established in 1881 as a teachers college then known as the southern branch of the California St ...
used the closure of I-405 to study particulate matter air pollution. The researchers took air samples before, during, and after the closure. The researchers found an 83% reduction in ultrafine particles, 55% reduction in fine particle matter, and 62% less black carbon.
Sepulveda Pass Improvements Project
The $1 billion Sepulveda Pass Improvements Project added a high-occupancy vehicle lane and associated changes to freeway entrances, exits, and underpasses along a 10-mile stretch through the Sepulveda Pass
Sepulveda Pass (elevation ) is a low mountain pass through the Santa Monica Mountains in Los Angeles. It is named after the Sepúlveda family of California, a prominent Californio family that owned the land where the pass lies.
It connects the L ...
between I-10 and U.S. 101/Ventura Boulevard. The project was completed as a design-build in contrast to the traditional design-bid-build used typically in infrastructure improvement. This section of I-405 was closed for a weekend in mid-July 2011 to demolish the Mulholland Drive Bridge, and a section was closed for the last weekend of September 2012.[
Jamzilla was the name for the I-405 closure on President's Day Weekend 2014. There were lane closures and complete closures on I-405 starting February 14 at 10:00 p.m. until February 18 at 6:00 a.m. to pave and restripe the northbound lanes.
On May 23, 2014, the high-occupancy vehicle lane was opened to traffic.
]
Future
Manchester and Century Boulevard interchanges
Proposed changes between the Manchester and Century Boulevard interchanges in the City of Inglewood are to provide a new southbound on-ramp and a new northbound off-ramp for Arbor Vitae Street, to reconstruct and widened the Arbor Vitae Street over-bridge and replace the Century Boulevard overcrossing structure. This work would reduce congestion on the approach to LAX
Los Angeles International Airport , commonly referred to as LAX (with each letter pronounced individually), is the primary international airport serving Los Angeles, California and its surrounding metropolitan area. LAX is located in the W ...
. The California Department of Transportation
The California Department of Transportation (Caltrans) is an executive department of the U.S. state of California. The department is part of the cabinet-level California State Transportation Agency (CalSTA). Caltrans is headquartered in Sacrame ...
has not yet issued a start date for this work.
Express and mixed flow lanes
The Orange County Transportation Authority is currently adding a high-occupancy toll
A high-occupancy toll lane (or HOT lane) is a type of traffic lane or roadway that is available to high-occupancy vehicles and other exempt vehicles without charge; other vehicles are required to pay a variable fee that is adjusted in response t ...
(HOT) express lane and one mixed flow lane in each direction between SR 73 in Costa Mesa and I-605 in Seal Beach. The I-405 Improvement Project started construction in 2018 and is planned to be completed by late 2023.
The high-occupancy vehicle lanes that were constructed as part of the Sepulveda Pass Improvements Project are also proposed to be upgraded to express lanes by 2028.
Incidents
O.J. Simpson chase, 1994
While dangerous high-speed chases along the San Diego Freeway are not uncommon, perhaps the most famous chase in its history was also one of the slowest. On the afternoon of June 17, 1994, former athlete and actor O. J. Simpson
Orenthal James Simpson (born July 9, 1947), nicknamed "Juice", is an American former football running back, actor, and broadcaster who played for the Buffalo Bills and San Francisco 49ers of the National Football League. Once a popular figure ...
, who was accused of murdering his ex-wife Nicole Brown Simpson
Nicole Brown Simpson (née Brown; May 19, 1959 – June 12, 1994) was the ex-wife of the former professional American football player, O. J. Simpson, to whom she was married from 1985 to 1992. She was the mother of their two children, Sydney an ...
and waiter Ron Goldman
Ronald Lyle Goldman (July 2, 1968 – June 12, 1994) was an American restaurant waiter and a friend of Nicole Brown Simpson, the ex-wife of the American football player O.J. Simpson. He was murdered, along with Brown, at her home in Los Angele ...
, took to the freeway in a white Ford Bronco (driven by former teammate Al Cowlings) with police in pursuit. A widely televised low-speed chase ensued and ended hours later when Simpson returned to his Brentwood, Los Angeles, home and surrendered to law enforcement.
Ennis Cosby murder, 1997
Ennis Cosby
Ennis William Cosby (April 15, 1969 – January 16, 1997), the only son of American comedian Bill Cosby, was murdered on January 16, 1997, near Interstate 405 in Los Angeles, California. He was shot in the head by 18-year-old Mikhail Markhas ...
, the only son of Bill Cosby, was murdered near I-405 in Los Angeles on January 16, 1997, while fixing a flat tire.
Exit list
See also
*
References
External links
California @ AARoads.com - I-405
Caltrans: Route 405 highway conditions
{{3di, 5
4 California
05-4
Interstate 405
Interstate 405
405
__NOTOC__
Year 405 ( CDV) was a common year starting on Sunday (link will display the full calendar) of the Julian calendar. At the time, it was known as the Year of the Consulship of Stilicho and Anthemius (or, less frequently, year 1158 ''Ab ...
05-4 California
405
__NOTOC__
Year 405 ( CDV) was a common year starting on Sunday (link will display the full calendar) of the Julian calendar. At the time, it was known as the Year of the Consulship of Stilicho and Anthemius (or, less frequently, year 1158 ''Ab ...