U.S. Route 380

U.S. Route 380 is an east–west United States Numbered Highway entirely within Texas. The highway connects the Dallas–Fort Worth suburbs with communities on the southern edge of the Red River basin and the Prairie Plains. It serves as a regional arterial linking Denton County, Collin County, Wise County, Montague County, and Cooke County to interstate and state routes such as Interstate 35E, U.S. Route 75, and U.S. Route 82.

Route description

The western terminus begins near Denton at an interchange with Interstate 35E and traverses east through the University of North Texas vicinity, passing near Rayzor Ranch, Texas Woman's University, and the North Texas Regional Airport. Within the Dallas–Fort Worth suburban corridor the route intersects U.S. Route 77, SH 289, and proceeds through McKinney where it meets U.S. Route 75 and accesses commercial centers such as Allen Premium Outlets and municipal sites like the Heritage Farmstead Museum. Eastward, the route becomes a multilane arterial passing through Princeton and Blue Ridge before entering the agricultural and ranching landscapes of Collin County and Wise County. Near Gainesville the highway intersects U.S. Route 82 and provides connections to Midwestern State University, Cooke County Hospital, and the Ray Roberts Lake State Park recreational area. Continuing into Montague County and Cooke County the alignment serves small towns such as Nocona and links with SH 59 and historic corridors used during westward expansion and by Atchison, Topeka and Santa Fe Railway lines.

History

The designation was created during the early growth of the United States Numbered Highway System and reflects changes tied to regional development driven by Dallas, Fort Worth, and railroads like MKT and Union Pacific Railroad. Early alignments followed older trails and the path of stagecoach and rail spurs serving Gainesville and McKinney. Postwar suburbanization in the 1950s and 1960s—influenced by policies such as the Federal Aid Highway Act of 1956—triggered widening projects and bypasses around Denton and McKinney, often coordinated with Texas Department of Transportation planning. The 1990s and 2000s saw interchange reconstructions tied to economic growth anchored by employers like Texas Instruments, Raytheon Technologies, and logistics hubs serving Dallas/Fort Worth International Airport and Dallas Love Field. Historic realignments paralleled shifts in freight movement from rail corridors controlled by BNSF Railway to highway freight using fleets operated by companies such as J.B. Hunt.

Major intersections

Major junctions along the corridor include the terminus at Interstate 35E near Denton, a concurrency and interchange with U.S. Route 75 near McKinney providing access to Legacy Drive commercial districts and Collin County Community College District, intersections with SH 289 and U.S. Route 77 near suburban nodes, an eastward crossing with U.S. Route 82 at Gainesville connecting to Sherman and Bonham, and eastern connections to U.S. Route 377 and SH 59 near Nocona. The route also links with regional arteries that provide access to Ray Roberts Lake State Park, Lake Ray Hubbard, and commuter corridors serving Plano and Frisco.

Future and proposed developments

Planned improvements are driven by growth in the Dallas–Fort Worth exurb ring, with proposals from Texas Department of Transportation and local metropolitan planning organizations to widen segments, add controlled-access bypasses, and improve safety at high-crash intersections. Projects have been discussed in coordination with North Central Texas Council of Governments, Collin County Commissioners Court, and Denton County Transportation Authority priorities, including interchange upgrades to support freight movements to facilities tied to Port of Houston Authority logistics chains and regional distribution centers operated by firms such as Amazon and FedEx. Environmental reviews reference wetlands near the Red River and cultural resources tied to Caddo and Comanche heritage. Funding strategies consider federal grants administered through programs by Federal Highway Administration and state bond measures used previously for corridors like Texas State Highway 121.

Special routes and business loops

Various business routes and bypass designations serve historic downtowns bypassed by mainline realignments. Notable iterations include business spurs through downtown McKinney, business loops in Gainesville that trace former alignments near the Historic Square, and municipal connectors in Denton that link to Campus institutions such as University of North Texas and Texas Woman's University. These special routes are maintained in collaboration with local governments including the City of Denton and City of McKinney, and intersect with state-designated farm-to-market roads like Farm to Market Road 455 and Farm to Market Road 3049, preserving access to municipal courthouses, historic districts, and preservation sites listed with the Texas Historical Commission.

Category:U.S. Highways in Texas