A total of ten

special route In road transportation in the United States, a special route is a road in a numbered highway system that diverts a specific segment of related traffic away from another road. They are featured in many highway systems; most are found in the Inte ...

s of

U.S. Route 90 U.S. Route 90 or U.S. Highway 90 (US 90) is an east–west major United States highway in the Southern United States. Despite the "0" in its route number, US 90 never was a full coast-to-coast route. It generally travels near Int ...

exist.

Texas

All of the alternate and business routes within Texas are maintained by the Texas Department of Transportation (TxDOT).

has one

alternate route An official alternate route is a special route in the United States that provides an alternate alignment for a highway. They are loop roads and found in many road systems in the United States including the U.S. Highway system and various stat ...

and two

business route A business route (or business loop, business spur, or city route) in the United States is a short special route that branches off a parent numbered highway at its beginning, continues through the central business district of a nearby city or to ...

s within the state. Along US 90, TxDOT identifies each business route as Business U.S. Highway followed by an alphabetic suffix. Along Texas U.S. routes, the alphabetic suffixes on business route names ascend eastward and northward. There are gaps in the alphabetic values to allow for future system expansion or for decommissioned routes. The alphabetic naming suffixes are included as small letters on the bottom of route shields.

Seguin–Houston alternate

U.S. Highway 90 Alternate is an alternate route to

U.S. Highway 90 U.S. Route 90 or U.S. Highway 90 (US 90) is an east–west major United States highway in the Southern United States. Despite the "0" in its route number, US 90 never was a full coast-to-coast route. It generally travels near Int ...

in the

U.S. state In the United States, a state is a constituent political entity, of which there are 50. Bound together in a political union, each state holds governmental jurisdiction over a separate and defined geographic territory where it shares its so ...

Texas Texas ( , ; or ) is the most populous U.S. state, state in the South Central United States, South Central region of the United States. It borders Louisiana to the east, Arkansas to the northeast, Oklahoma to the north, New Mexico to the we ...

, running from west of Seguin east via Seguin,

Gonzales Gonzales may refer to: Places * Gonzales, California, U.S. * Gonzales, Louisiana, U.S. * Gonzales, Texas, U.S. * Gonzales County, Texas Other uses * Battle of Gonzales, 1835 * Gonzales (horse) (1977 – after 1996), an American-bred Thoroughbr ...

, Hallettsville, Eagle Lake, Rosenberg and

Sugar Land Sugar Land (sometimes incorrectly spelled as Sugarland) is the largest city in Fort Bend County, Texas, United States, located in the southwestern part of the metropolitan area. Located about southwest of downtown Houston, Sugar Land is a po ...

to northeastern

Houston Houston ( ) is the List of cities in Texas by population, most populous city in the U.S. state of Texas and in the Southern United States. Located in Southeast Texas near Galveston Bay and the Gulf of Mexico, it is the county seat, seat of ...

. South of

Downtown Houston Downtown is the largest central business district in the city of Houston and the largest in the state of Texas, located near the geographic center of the metropolitan area at the confluence of Interstate 10 in Texas, Interstate 10, Interstate 45 ...

, US 90 Alternate is built to

freeway A controlled-access highway is a type of highway that has been designed for high-speed vehicular traffic, with all traffic flow—ingress and egress—regulated. Common English terms are freeway, motorway, and expressway. Other similar terms ...

and near-freeway standards along a section of South Main Street.

Houston–Crosby business loop

Business U.S Highway 90-U or Bus. US 90-U is a business route from I-610 in

northeastward to FM 2100 in

Crosby Crosby may refer to: Places Canada *Crosby, Ontario, part of the township of Rideau Lakes, Ontario *Crosby, Ontario, a neighbourhood in the city of Markham, Ontario England *Crosby, Cumbria *Crosby, Lincolnshire *Crosby, Merseyside **Crosby (UK P ...

along portions of McCarty St. and the Beaumont Highway in northeastern Harris County. The business route was created in 1992 when US 90 was realigned off the route between Beltway 8 and FM 2100. The portion of the business route between I-610 and Beltway 8 remained

concurrent Concurrent means happening at the same time. Concurrency, concurrent, or concurrence may refer to: Law * Concurrence, in jurisprudence, the need to prove both ''actus reus'' and ''mens rea'' * Concurring opinion (also called a "concurrence"), a ...

with US 90 until the completion of the current US 90 along the Crosby Freeway in January 2011.

Orange business loop

Business U.S. Highway 90-Y or Bus. US 90-Y begins at Exit 874A of the combined route of

Interstate 10 Interstate 10 (I-10) is the southernmost transcontinental highway in the Interstate Highway System of the United States. It is the fourth-longest Interstate in the country at , following I-90, I-80, and I-40. It was part of the origina ...

and US 90 on the west side of

Orange Orange most often refers to: *Orange (fruit), the fruit of the tree species '' Citrus'' × ''sinensis'' ** Orange blossom, its fragrant flower ** Orange juice *Orange (colour), the color of an orange fruit, occurs between red and yellow in the vi ...

in Orange County. The route proceeds to the east along W. Park Ave. to FM 3247 where the route turns to the southeast along Strickland Dr. through western Pinehurst. After reentering Orange, the route is joined by SH 87, and the combined route proceeds to the east along MacArthur Dr. After SH 87 turns off of the route, Bus. US 90-Y continues east along Green Ave past FM 1006 and then turns north along Simmons Dr. returning to I-10 and US 90 at Exit 878. The business route follows the former alignment of US 90 through Orange until April 30, 1962. With the realignment, the route was designated State Highway Loop 358 but was signed as a US 90 business route. That designation was canceled and replaced with the current designation on June 21, 1990.

Louisiana

Lake Charles business route

Lafayette business route

Morgan City business route

U.S. Highway 90 Business is a business route of U.S. Highway 90 that goes from

Louisiana Highway 182 Louisiana Highway 182 (LA 182) is a state highway located in central and southeastern Louisiana. It runs in a northwest to southeast direction from LA 29 in Whiteville to U.S. Highway 90 (US 90) north of Raceland. Along the ...

at Morgan City to Louisiana Highway 662 at Amelia, Louisiana.

New Orleans business route

U.S. Highway 90 Business (officially U.S. Highway 90-Z) is a

in and near

New Orleans, Louisiana New Orleans (commonly known as NOLA or The Big Easy among other nicknames) is a Consolidated city-county, consolidated city-parish located along the Mississippi River in the U.S. state of Louisiana. With a population of 383,997 at the 2020 ...

United States The United States of America (USA), also known as the United States (U.S.) or America, is a country primarily located in North America. It is a federal republic of 50 U.S. state, states and a federal capital district, Washington, D.C. The 48 ...

. Unlike a standard business route, it is built to higher standards than the segment of U.S. 90 that it parallels, with over half built to

standards and designated (but not signed as) Interstate 910. It crosses the

Mississippi River The Mississippi River is the main stem, primary river of the largest drainage basin in the United States. It is the second-longest river in the United States, behind only the Missouri River, Missouri. From its traditional source of Lake Ita ...

on the

Crescent City Connection The Crescent City Connection (CCC), formerly the Greater New Orleans (GNO) Bridge, is a pair of cantilever bridges that carry U.S. Highway 90 Business (US 90 Bus.) over the Mississippi River in New Orleans, Louisiana, United States. The ...

and runs along the Westbank Expressway west of the bridge and part of the

Pontchartrain Expressway The Pontchartrain Expressway is a parallel six-lane section of Interstate 10 in Louisiana, Interstate 10 (I-10) and U.S. Route 90 Business (New Orleans, Louisiana), U.S. Route 90 Business (US 90 Bus.) in New Orleans, Louisiana, ...

in the

New Orleans Central Business District The Central Business District (CBD) is a neighborhood of the city of New Orleans, Louisiana, United States. The CBD is a subdistrict of the French Quarter/CBD area. Its boundaries, as defined by the City Planning Commission are Iberville, De ...

. On the other hand, U.S. 90 runs along surface streets through New Orleans, crossing the Mississippi on the older and narrower Huey P. Long Bridge.

Florida

Pensacola alternate

U.S. Highway 90 Alternate is an east–west bypass route of

Pensacola, Florida Pensacola ( ) is a city in the Florida panhandle in the United States. It is the county seat and only incorporated city, city in Escambia County, Florida, Escambia County. The population was 54,312 at the 2020 United States census, 2020 census. ...

. It is also known as Nine Mile Road, as it is located exactly nine miles north of downtown Pensacola. The route was designated and completed in the 1940s. Interstate 10 has largely supplanted the role of U.S. 90 Alternate as a bypass route. The road today serves largely as a commercial corridor for the northern suburbs of Pensacola. However, following the partial destruction of the

Escambia Bay Bridge The Escambia Bay Bridge is a six-lane freeway bridge that carries Interstate 10 (I-10) across Escambia Bay near Pensacola, Florida. History The original four-lane bridge opened in 1968. It consisted of twin spans of two lanes each with ...

Hurricane Ivan Hurricane Ivan was a large, long-lived, and devastating tropical cyclone that caused widespread damage in the Caribbean and United States. The ninth named storm, the sixth hurricane, and the fourth major hurricane of the active 2004 Atlantic h ...

in September 2004, U.S. 90 Alternate resumed its role as a cross-county route for a couple of months until the bridge reopened.

Jacksonville alternate

U.S. Highway 90 Alternate is an

Jacksonville, Florida Jacksonville ( ) is the most populous city proper in the U.S. state of Florida, located on the Atlantic coast of North Florida, northeastern Florida. It is the county seat of Duval County, Florida, Duval County, with which the City of Jacksonv ...

. It runs from the split of Beach Boulevard and Atlantic Boulevard east along Atlantic Boulevard ( State Road 10; US 90 and SR 212 use Beach Boulevard) to Southside Boulevard ( State Road 115), where it turns south to end at Beach Boulevard (US 90/SR 212).

Former routes

Beaumont business route

Houston business route

Houston bypass route

Mobile alternate

Mobile truck route

Tallahassee alternate

U.S. Route 90 Alternate in

Tallahassee Tallahassee ( ) is the capital city of the U.S. state of Florida. It is the county seat of and the only incorporated municipality in Leon County. Tallahassee became the capital of Florida, then the Florida Territory, in 1824. In 2024, the est ...

was a former segment of US 90 from 1926–1949 that existed only in 1950 as an alternate route. It ran from Tallahassee to Quincy along what is today

US 27 U.S. Route 27 or U.S. Highway 27 (US 27) is a north–south United States Numbered Highway in the Southern and Midwestern U.S. The southern terminus is at US 1 in Miami, Florida. The northern terminus is at Interstate 69 (I ...

(Hidden State Road 63) and State Road 12. The route was co-signed with US 27 from Tallahassee to

Havana Havana (; ) is the capital and largest city of Cuba. The heart of La Habana Province, Havana is the country's main port and commercial center.*90 90 90 90