The following highways are numbered 123:

Australia

- Now Newcastle Inner City Bypass

Brazil

SP-123 Rodovia Floriano Rodrigues Pinheiro (official designation SP-123) is a single-lane highway in the state of São Paulo, Brazil. It connects the Rodovia Carvalho Pinto (SP-070) and the Rodovia Presidente Dutra (BR-116) nearby the city of Taubaté, t ...

(Rodovia Floriano Rodrigues Pinheiro)

Canada

New Brunswick Route 123 Route 123 is a mostly North/South provincial highway in the Canada, Canadian province of New Brunswick. The road runs from New Brunswick Route 10, Route 10 in Chipman, New Brunswick, Chipman. The road has a length of approximately 52 kilometres, ...

Ontario Highway 123 (former) * PEI Highway 123

Prince Edward Island Route 123 *

Saskatchewan Highway 123 Highway 123 is a highway in the Canadian province of Saskatchewan. It runs from Highway 55, east of its intersection with Highway 23, to Cumberland House. Highway 123 is about long. Highway 123 passes near the towns of Petaigan and Ravendale ...

Costa Rica

* National Route 123

India

National Highway 123 (India) (NH 123) in the states of Rajasthan and Uttar Pradesh

Japan

Japan National Route 123

Malaysia

Malaysia Federal Route 123 Federal Route 123, or Jalan Rasau Kerteh Selatan and Jalan Jerangau-Jabor (Penghantar 4), is a federal road in Terengganu, Malaysia. Features At most sections, the Federal Route 123 was built under the JKR R5 road standard, allowing maximum s ...

(Jalan Rasau Kerteh Selatan), Terengganu, Malaysia

Mexico

Mexican Federal Highway 123 Federal Highway 123 (''Carretera Federal 123'') is a Federal Highway of Mexico. The highway travels entirely within the state of Veracruz from Orizaba in the north to Zongolica Zongolica is a municipality located in the south zone in the State ...

(Carretera Federal 123)

Spain

N-123 road (Spain)

United States

U.S. Route 123 ** U.S. Route 123 (Kentucky) (former) * Alabama 123

Alabama State Route 123 State Route 123 (SR 123) is a state highway that serves Geneva, Houston, and Dale counties as a connection between Hartford, Ozark, and Ariton. SR 123 intersects SR 167 and Geneva County Route 61 (CR 61) at its ...

Arkansas Highway 123 * California 123

California State Route 123 State Route 123 (SR 123) is a state highway in the U.S. state of California in the San Francisco Bay Area. Named San Pablo Avenue for almost its entire length except for its northernmost , SR 123 is a major north–south state highway along t ...

Connecticut Route 123 * Florida 123

Florida State Road 123 ** CR 123 jct

County Road 123 (Baker County, Florida) * Georgia 123

Georgia State Route 123 State Route 123 (SR 123) is a short state highway in the eastern part of the U.S. state of Georgia. It travels through portions of Glascock and Warren counties. Its routing is entirely northwest of Mitchell. Route description SR 123 ...

Hawaii Route 123 The Hawaii Department of Transportation (HDOT) maintains the smallest state-maintained system of state highways in the country. It consists of Interstates, state highways, and secondary state highways, totaling approximately . The state's four I ...

(former) * Illinois 123

Illinois Route 123 * Indiana 123

Indiana State Road 123 (former) * Iowa Highway 123 (former) *

K-123 (Kansas highway) K-123 is a state highway in the U.S. state of Kansas. The southern terminus is at K-23 north of Hoxie, and the northern terminus is at K-383 in Dresden. Along the way K-123 intersects the western terminus of K-9 south of Dresden. Between 1938 ...

Kentucky Route 123 Kentucky Route 123 (KY 123) is a state highway in Kentucky. It runs from KY 307/ KY 3061 in rural Hickman County east of Clinton to U.S. Route 51 (US 51) in Bardwell via Clinton and Columbus Columbus is a Latiniz ...

Louisiana Highway 123 * Maine 123

Maine State Route 123 State Route 123 (SR 123) is part of Maine's system of numbered state highways, running from Harpswell to SR 24 Business in Brunswick. The entire route is in Cumberland County. Route description SR 123 begins at the intersectio ...

Maryland Route 123 (former) * MA Route 123

Massachusetts Route 123 * M-123

M-123 (Michigan highway) * MN-123

Minnesota State Highway 123 Minnesota State Highway 123 (MN 123) is a highway in east-central Minnesota, which runs from its first intersection with State Highway 23 at Sandstone and continues east and then north to its northern terminus at its second intersection with ...

Missouri Route 123 Route 123 is a highway in southwest Missouri. Its northern terminus is at U.S. Route 54 in Weaubleau; its southern terminus is at U.S. Route 160 in Willard. Route description The current highway begins in Weableau. South of Humansville, it cr ...

New Hampshire Route 123 New Hampshire Route 123 (abbreviated NH 123) is a secondary north–south state highway in southwestern New Hampshire. The southern terminus of the route is at the Massachusetts state line in Mason where, as Mason Road, the road continues as an ...

New Hampshire Route 123A New Hampshire Route 123 (abbreviated NH 123) is a secondary north–south state highway in southwestern New Hampshire. The southern terminus of the route is at the Massachusetts state line in Mason where, as Mason Road, the road continues as an un ...

County Route 123 (Bergen County, New Jersey) * NY-123

New York State Route 123 New York State Route 123 (NY 123) is a north–south state highway in the northern part of Westchester County, New York, in the United States. The route, named Smith Ridge Road, is a northward continuation of Route 123 from New Ca ...

County Route 123 (Jefferson County, New York) ** CR 123 jct wide

County Route 123 (Niagara County, New York) * NC 123

North Carolina Highway 123 North Carolina Highway 123 (NC 123) is a primary state highway in the U.S. state of North Carolina. It serves as the main road through Hookerton and an alternate bypass of Snow Hill, entirely in Greene County. Route description NC& ...

Ohio State Route 123 *

Oklahoma State Highway 123 State Highway 123 (abbreviated SH-123) is a state highway in the U.S. state of Oklahoma. It runs a general southwest–northeast course for in northern Oklahoma. SH-123 has no lettered spur routes. Route description SH-123 begins east of Bar ...

Pennsylvania Route 123 The following is a list of former state routes in Pennsylvania. These roads are now either parts of other routes or no longer carry a traffic route number. This list also includes original routes of numbers that were decommissioned and later rea ...

(former) * Rhode Island 123

Rhode Island Route 123 Route 123 is a state highway running in the U.S. state of Rhode Island. Its western terminus is at Route 116 in Lincoln, and its eastern terminus is at the Massachusetts border where it continues as Massachusetts Route 123. Route description R ...

South Dakota Highway 123 South Dakota Highway 123 (SD 123), 467th Avenue, is a north–south state highway in Grant and Roberts counties in South Dakota, United States, that connects U.S. Route 12 (US 12) with South Dakota Highway 15 (SD 15). Route descr ...

Tennessee State Route 123 State Route 123 (SR 123) is a short state route in the U.S. state of Tennessee. It serves to link SR 68 with NC 294, at the Tennessee/North Carolina state line. Route description SR 123 is a short highway entirely in Polk ...

Texas State Highway 123 State Highway 123 is a north–south state highway that extends from Interstate 35 in San Marcos to US 181 in Karnes City. The route was initially proposed in 1927 and has had minimal changes to its routing since then. Route description SH 1 ...

Texas State Highway Loop 123 Texas (, ; Spanish: ''Texas'', ''Tejas'') is a state in the South Central region of the United States. At 268,596 square miles (695,662 km2), and with more than 29.1 million residents in 2020, it is the second-largest U.S. state by bo ...

Farm to Market Road 123 * Utah SR 123

Utah State Route 123 Utah State Route 123 (SR-123) is a state highway in the U.S. state of Utah. Spanning , it connects the city of East Carbon with US-6 / US-191 in Carbon County. Route description State Route 123 begins at Sunnyside Junction on US-6/US-191, a ...

Vermont Route 123 Vermont () is a state in the northeast New England region of the United States. Vermont is bordered by the states of Massachusetts to the south, New Hampshire to the east, and New York to the west, and the Canadian province of Quebec to the n ...

Virginia State Route 123 ** Virginia 123

Virginia State Route 123 (1923-1928) The following is a list of primary state highways in Virginia shorter than one mile (1.6 km) in length. For a list of such highways serving Virginia state institutions, see State highways serving Virginia state institutions. __NOTOC__ SR 34 ...

(former) ** Virginia 123

Virginia State Route 123 (1928-1933) State Route 63 (SR 63) is a primary state highway in the U.S. state of Virginia. The state highway runs from U.S. Route 58 Alternate (US 58 Alternate) in St. Paul north to SR 80 and SR 83 in Haysi. Route description SR 63 begins at an in ...

(former) ** Virginia 123

Virginia State Route 123 (1933-1940) (former) * WA-123

Washington State Route 123 State Route 123 (SR 123) is a state highway in the Gifford Pinchot National Forest and Mount Rainier National Park east of Mount Rainier in the U.S. state of Washington. Located in the counties of Lewis and Pierce, the long roadway ext ...

West Virginia Route 123 * WIS 123

Wisconsin Highway 123 State Trunk Highway 123 (often called Highway 123, STH-123 or WIS 123) is a former short state highway in the U.S. state of Wisconsin. It ran north–south in south central Wisconsin from the entrance to Devil's Lake State Park to Baraboo. It wa ...

;Territories: * PR primary 123

Puerto Rico Highway 123 {{Road index, 123