Texas State Highway 300
SH 300, highlighted in red | ||||
| Route information | ||||
| Maintained by TxDOT | ||||
| Length | 18.624 mi (29.972 km) | |||
| Existed | August 2, 1968–present | |||
| Major junctions | ||||
| South end | US 80 at Longview | |||
| Loop 281 in Longview | ||||
| North end | US 271 / SH 155 at Gilmer | |||
| Location | ||||
| Country | United States | |||
| State | Texas | |||
| Counties | Gregg, Upshur | |||
| Highway system | ||||
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State Highway 300 (SH 300) is a Texas state highway that runs from Longview northwest to Gilmer. It is also known as Gilmer Road in Gregg County.