Texas State Highway 42

State Highway 42
Route information
Maintained by TxDOT
Length:	33.9 mi (54.6 km)
Existed:	1962 – present
Major junctions
South end:	US 79 / FM 1798 near Henderson
	US 259 in Kilgore I-20 in Kilgore
North end:	US 80 at White Oak
Location
Counties:	Rusk, Gregg
Highway system
Highways in Texas Interstate US State Toll Loops Spurs Park Rec FM ← SH 41 SH 43 → ← SH 258 SH 259 SH 260 →

State Highway 42 is a state highway located in the northeastern portion of the Texas in Gregg and Rusk counties. This route was designated in 1962 over former SH 259.

Previous routes

SH 42 was originally proposed in 1919 as a route from Greenville to Marshall. By 1933, the route was readjusted, with the northwest terminus extended north to Wright, while the southeast portion was cancelled or transferred to SH 155 or SH 182. SH 42 was rerouted to end in Mineola. By 1938, the entire remaining route had been transferred to U.S. Highway 69.

Counties and junctions

County	Location	mi	km	Destinations	Notes
Rusk	​			US 79 / FM 1798 south – Jacksonville, Henderson
	Price			FM 13
	​			SH 64 – Arp, Henderson
	​			SH 323 (Van Buren St) – New London, Overton, Henderson
	New London			FM 1513 (Humble Rd)
				FM 850
				SH 135 west / FM 918 east	South end of SH 135 overlap
	Laird Hill			FM 2012
	Kilgore			SH 135 north (Industrial Blvd)	North end of SH 135 overlap
				Bus. US 259 south (Henderson Blvd)	South end of US 259 Bus. overlap
Gregg				FM 1249 east (Dudley Rd)
				Bus. US 259 north	North end of US 259 Bus. overlap
				SH 31 – Tyler, Longview
				I-20 – Liberty City, Longview	Interchange
	​			FM 1252
	​			FM 2206 east (Harrison Rd)
	White Oak			US 80 – Gladewater, Longview
1.000 mi = 1.609 km; 1.000 km = 0.621 mi