US 77

US 77
Country	USA
Type	US
Route	77
Length mi	1306
Established	1926
Direction a	South
Terminus a	Brownsville
Direction b	North
Terminus b	Sioux City
States	Texas, Oklahoma, Kansas, Nebraska, Iowa

US 77 US 77 is a north–south United States Numbered Highway running from Brownsville on the Gulf of Mexico coast to Sioux City on the Missouri River. The route traverses major metropolitan regions, rural plains, and river valleys, connecting communities such as Corpus Christi, Waco, Oklahoma City, Wichita, and Lincoln. It intersects several principal corridors including Interstate 35, Interstate 40, and Interstate 29, serving freight, commuter, and regional traffic.

Route description

US 77 begins at the Texas–Mexico border near Brownsville and parallels the Gulf Intracoastal Waterway toward Corpus Christi, where it meets U.S. Route 281 and SH 358. Continuing northwest, the highway passes through Victoria, skirts Lake Texana, and joins with Interstate 35 in the Waco area near Baylor University. North of Denton the roadway links the Dallas–Fort Worth metroplex region before entering Oklahoma near Marietta, intersecting U.S. Route 70 and U.S. Route 62 en route to Ardmore and Oklahoma City, where it crosses Interstate 44 and Interstate 235. In Wichita the route connects with Interstate 135 and U.S. Route 54, then continues north through El Dorado and Arkansas City before following the Kansas River corridor into Nebraska. Through Lincoln, US 77 intersects Interstate 80 and runs north to Columbus and Norfolk before entering Iowa and terminating at Sioux City near the confluence of the Missouri River and Big Sioux River.

History

Designated in 1926 during the initial United States Numbered Highway System plan, the route replaced earlier auto trails that connected Gulfport-area corridors and Omaha. Early alignments paralleled railroads such as the Atchison, Topeka and Santa Fe Railway and the Missouri–Kansas–Texas Railroad, reflecting mid-20th century modal competition. Postwar federal initiatives including the Federal-Aid Highway Act of 1956 influenced upgrades and bypasses, particularly around Wichita and Oklahoma City. Several segments were later realigned to create limited-access expressways, drawing funding from the Intermodal Surface Transportation Efficiency Act of 1991 and state departments such as the Texas Department of Transportation and Nebraska Department of Transportation. Historic alignments remain as business routes through downtowns including McAllen-area communities and Lincoln neighborhoods.

Major intersections

US 77 intersects numerous principal routes and interstates along its corridor, including U.S. Route 83 near Brownsville, U.S. Route 281 in Corpus Christi, Interstate 37 and U.S. Route 59 in the South Texas region, Interstate 35 near Waco, U.S. Route 380 near Denton, U.S. Route 62 in Oklahoma, Interstate 44 at Oklahoma City, U.S. Route 54 and Interstate 135 in Wichita, U.S. Route 50 and Interstate 70 connections through Kansas City-area approaches, Interstate 80 in Lincoln, and Interstate 29/U.S. Route 20 connections near Sioux City.

Auxiliary routes

Several auxiliary and business designations branch from the main corridor: business routes through Corpus Christi, Wichita, and Lincoln preserve historic downtown alignments; spur and connector segments provide access to military and institutional sites including Naval Air Station Corpus Christi and Tinker Air Force Base. State-numbered loops and spurs maintained by the Oklahoma Department of Transportation and Kansas Department of Transportation accompany truck routes and bypasses around Ardmore and El Dorado.

Future and planned projects

Planned improvements include capacity expansions and safety upgrades funded through state programs such as the Texas Department of Transportation's regional mobility plans, the Oklahoma Department of Transportation's pavement preservation initiatives, and modal investment from the U.S. Department of Transportation. Key projects propose widening near rapidly growing suburbs of Dallas and Oklahoma City, interchange modernizations at Interstate 35 and Interstate 44, and corridor resiliency work for flood-prone stretches near the Missouri River basin. Environmental review processes reference statutes like the National Environmental Policy Act as agencies coordinate with local governments including Hidalgo County and Lancaster County.

Cultural and economic significance

The highway links cultural centers and economic nodes such as Port of Brownsville, Corpus Christi Bay, Baylor University, University of Oklahoma, Wichita State University, University of Nebraska–Lincoln, and urban centers serving energy, agriculture, and manufacturing sectors. US 77 supports cross-border trade tied to North American Free Trade Agreement-era logistics corridors, agricultural supply chains in the Great Plains and Corn Belt, and tourism to destinations like Padre Island National Seashore and regional museums in Sioux City. Its role in regional commuter patterns and freight movement connects transportation planning entities including metropolitan planning organizations in Corpus Christi, Waco, Oklahoma City, and Wichita.

Category:United States Numbered Highways Category:U.S. Highways in Texas Category:U.S. Highways in Oklahoma Category:U.S. Highways in Kansas Category:U.S. Highways in Nebraska Category:U.S. Highways in Iowa