U.S. Highway 181
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United States Highway 181 (US 181), a north-south route, is one of many intrastate United States Highways in the United States. It lies completely within Texas, and starts and ends at Interstate 37, the road that it mainly parallels on the east. US 181 begins in Corpus Christi, Texas at mile marker 0 to the south, through south-central Texas to just south of San Antonio to the north (mile marker 131), for a total length of 211 km.
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Termini
As of 2004, the highway's northern terminus is at an intersection with Interstate 37 a mile (1.6 km) south of San Antonio, Texas' Interstate 410 loop, about 12 miles (19 km) northeast of Floresville. Its southern terminus is in Corpus Christi, Texas at Interstate 37 near the Gulf of Mexico. In fact, I-37 and US 181 share termini, in that traffic travelling southbound on I-37 will automatically merge onto nortbound US 181, and vice versa.
States Traversed
The highway passes through the following states:
Principal cities/Principal highways
- Corpus Christi, Texas - Interstate 37
- US 77 officially bypasses to the west of downtown about 14 miles (23 km). If US 181 didn't go through Corpus Christi, its lone Federal Highway would be I-37.
- Floresville, Texas - US 181 meets Interstate 37 approximately 12 miles (19 km) northwest of Floresville.
All cities listed are county seats except Portland. In keeping with a US highway going through every county/parish seat, US 181 was named accordingly. Three of the above cities have at least one other US highway running through them.
Related US Routes
Sources
- Endpoints of US highways (http://www.geocities.com/Yosemite%2FFalls%2F3369/HwyEnds/End181/end181.htm) (used with permission)