State Spur 366 - Woodall Rodgers Freeway
Spur 366 is an urban route traveling 2.42 miles across the Margaret Hunt Hill Bridge and along the Woodall Rodgers Freeway on the north side of Downtown Dallas. The state highway extends east from the intersection of Singleton and Amonette Streets to the exchange with U.S. 75 (Central Expressway) and IH 345. The Woodall Rogers Freeway represents the most congested freeway in Dallas, and North Texas in general per a Texas Transportation Institute study in 2018.1 The Texas Department of Transportation (TxDOT) recorded 201,888 vehicles per day on SS 366 west of U.S. 75 in 2018.
Named after a former Dallas Mayor, the Woodall Rodgers Freeway was first proposed in 1952. Construction on the urban freeway did not progress until 1969 due to costs and design issues. The city of Dallas sought a below grade design while TxDOT outlined an elevated structure. Ultimately the sunken design was selected in 1971. Despite the city supplying the right of way, TxDOT ran out of funding for construction of the freeway. A WFAA report in 1974 indicated that with needed funding, work would start in January 1975. The Woodall Rogers Freeway finally was completed in 1983.2
The below grade portion of the Woodall Rodgers Freeway was converted into a tunnel in 2012. The lids above SS 366 support Klyde Warren Park.2
References:
- "The 8 most congested roads in North Texas." WFAA (Dallas, TX) August 7, 2018.
- "31 years to build 1.7 miles: The story behind DFW's most congested freeway." WFAA (Dallas, TX) August 8, 2018.
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Page Updated Friday August 16, 2019.