State Highway 80 (SH 80) is a

state highway A state highway, state road, or state route (and the equivalent provincial highway, provincial road, or provincial route) is usually a road that is either ''numbered'' or ''maintained'' by a sub-national state or province. A road numbered by a ...

in the U.S. state of

Texas Texas (, ; Spanish language, Spanish: ''Texas'', ''Tejas'') is a state in the South Central United States, South Central region of the United States. At 268,596 square miles (695,662 km2), and with more than 29.1 million residents in 2 ...

that runs from

Karnes City Karnes City is a city in and county seat of Karnes County, Texas, United States. The population was 3,111 at the 2020 census, up from 3,042 at the 2010 census. The town was named after Henry Karnes of the Texas Revolution. Karnes is sout ...

San Marcos San Marcos is the Spanish name of Saint Mark. It may also refer to: Towns and cities Argentina * San Marcos, Salta Colombia * San Marcos, Antioquia * San Marcos, Sucre Costa Rica * San Marcos, Costa Rica (aka San Marcos de Tarrazú) ...

History

The original highway was designated on August 21, 1923 from

to Luling, replacing most of SH 29A (the rest of SH 29A was cancelled). On October 12, 1925, SH 80 was extended to Wimberley, but this did not take effect until January 1, 1926. On April 6, 1932, SH 80 had a planned extension south to

Nixon Richard Milhous Nixon (January 9, 1913April 22, 1994) was the 37th president of the United States, serving from 1969 to 1974. A member of the Republican Party, he previously served as a representative and senator from California and was ...

designated. On February 13, 1934, SH 80 was extended west to south of Blanco. On July 17, 1934, it was rerouted to end in Refugio over part of SH 29. This change was undone on January 19, 1935. On July 15, 1935, the section west of Wimberley was cancelled. On September 22, 1936, SH 80 was extended to Karnes City, replacing a portion of SH 112. On September 26, 1939, SH 80 was extended southwest to the Atascosa/Karnes County Line, replacing SH 312. On February 20, 1940, the section from Karnes City to the Atascosa/Karnes County Line was cancelled. On March 26, 1942, the section from Wimberley to San Marcos was transferred to

Ranch to Market Road 12 A ranch (from es, rancho/Mexican Spanish) is an area of land, including various structures, given primarily to ranching, the practice of raising grazing livestock such as cattle and sheep. It is a subtype of a farm. These terms are most often ...

. On December 4, 1952, SH 80 was extended over old US 181 to new US 181. On June 21, 1990, this extension was cancelled, as it became part of Business US 181. On June 24, 2010, RM 12 was shifted to an alignment south of San Marcos, and the SH 80 designation was extended through the city to a terminus with RM 12 west of the city. On January 26, 2017, the section of SH 80 from RM 12 to Loop 82 was removed from the state highway system and was given to the city of San Marcos.

Major intersections

References

{{Reflist 080 Transportation in Hays County, Texas Transportation in Caldwell County, Texas Transportation in Guadalupe County, Texas Transportation in Gonzales County, Texas Transportation in Wilson County, Texas Transportation in Karnes County, Texas