Texas State Highway Spur 421

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State Highway Spur 421 marker

State Highway Spur 421
Route information
Maintained by TxDOT
Length: 6.013 mi[1] (9.677 km)
Existed: 1965 – present
Major junctions
South end: I‑10 / US 87 in San Antonio
North end: I‑410 / SH 16 in Leon Valley
Location
Counties: Bexar
Highway system
Loop 420 Spur 422

Texas State Highway Spur 421 (Spur 421) is a state highway spur in the San Antonio, Texas, USA metropolitan area.[1]

Route description[edit]

Spur 421 begins at an intersection with IH 10 north of Downtown San Antonio. The route follows Culebra Road to the west before turning to the northwest along Bandera Road. The designation ends at Loop 410 and SH 16; southbound SH 16 follows the Loop 410 freeway, while northbound SH 16 continues along Bandera Road.[1][2]

History[edit]

Spur 421 is a former route of SH 16, and was designated (along with Spur 422) in 1965, after SH 16 was rerouted around the west side of San Antonio along the Loop 410 freeway.[1]

Major intersections[edit]

The entire route is in Bexar County.

Location Mile[3] km Destinations Notes
San Antonio 0.0 0.0 I‑10 / US 87 Southern terminus; continues as Culebra Rd.
0.6 1.0 Zarzamora St.
1.5 2.4 24th St. / Wilson Blvd.
1.6 2.6 Bandera Rd. / Culebra Rd. west – St. Mary's University Route continues along Bandera Rd.
2.1 3.4 Cincinnati Ave. – Woodlawn Lake
2.3 3.7 Gen. McMullen Dr. / St. Cloud Rd.
2.6 4.2 Woodlawn Ave.
3.9 6.3 Hillcrest Dr.
4.8 7.7 Evers Rd.
5.2 8.4 Callaghan Rd.
Leon Valley 6.0 9.7 I‑410 (Connally Loop) / SH 16 south
SH 16 north (Bandera Rd.) Northern terminus and continuation
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

See also[edit]

References[edit]