Texas State Highway 300

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State Highway 300 marker

State Highway 300
Route information
Maintained by TxDOT
Length: 18.6 mi[1] (29.9 km)
Existed: 1968 – present
Major junctions
South end: US 80 at Longview
  Loop 281 in Longview
North end: US 271 / SH 155 at Gilmer
Counties: Gregg, Upshur
Highway system
SH 299 SH 301

State Highway 300 or SH 300 is a Texas state highway that runs from Longview northwest to Gilmer. The route was designated in 1968, replacing FM 1403. It is also known as Gilmer Road in Gregg County.

Route description[edit]

SH 300 begins at an intersection with U.S. Route 80 on the west side of Longview, and travels northwest through residential section of the city. The route continues to the northwest, passing through agricultural sections of southeastern Upshur County before reaching its terminus at U.S. Route 281 and State Highway 155 on the far southern edge of Gilmer. The route travels nearly 19 miles.


SH 300 was previously designated by 1938 on a route from Atlanta south to SH 49. The route was redesignated in 1943 as SH 43 when it was extended farther north.

Counties and junctions[edit]

County Location Mile km Destinations Notes
Gregg Longview US 80 (Marshall Ave) – White Oak, Hallsville
Loop 281 (Tomlinson Pkwy)
FM 2275 west (George Richey Rd)
Upshur East Mountain FM 1844
FM 3358 north
  FM 726
  FM 3358 south
Gilmer US 271 / SH 155 (Wood St) – Gladewater, Pittsburg, Big Sandy, Avinger
1.000 mi = 1.609 km; 1.000 km = 0.621 mi


  1. ^ Transportation Planning and Programming Division. "State Highway No. 300". Highway Designation Files. Texas Department of Transportation. Retrieved 2010-11-01.