 State Highway 3 | ||||
|---|---|---|---|---|
 SH 3 highlighted in red | ||||
| Route information | ||||
| Maintained by TxDOT | ||||
| Length | 30.4 mi[1] (48.9 km) | |||
| Existed | August 20, 1952[1]–present | |||
| Major junctions | ||||
| South end |  SH 146 in La Marque | |||
  Beltway 8 / Sam Houston Tollway near Ellington Field | ||||
| North end |  I-45 in Houston | |||
| Location | ||||
| Country | United States | |||
| State | Texas | |||
| Highway system | ||||
| ||||
State Highway 3 (SH 3) is a state highway in the U.S. state of Texas that runs from Interstate 45 in Houston near William P. Hobby Airport to State Highway 146, 9.9 miles (15.9 km) northwest of Galveston. For most of its length, SH 3 parallels I-45 and runs alongside the former Galveston, Houston and Henderson Railroad lines.
- ^ a b Transportation Planning and Programming Division (n.d.). "State Highway No. 3". Highway Designation Files. Texas Department of Transportation. Retrieved 2008-03-10.