Interstates
| Route Name | Direction | Termini | Junctions | Length [1] | Remarks |
|---|---|---|---|---|---|
 I-10 [2] | E/W | Orange County to Chambers County | Bridge over the Neches River designated as the Purple Heart Memorial Bridge |
The following is a list of all state highways in Jefferson County, Texas maintained by the Texas Department of Transportation. All state highways in Texas are paved.
| Route Name | Direction | Termini | Junctions | Length [1] | Remarks |
|---|---|---|---|---|---|
| I-10 [2] | E/W | Orange County to Chambers County | Bridge over the Neches River designated as the Purple Heart Memorial Bridge |
| Route Name | Direction | Termini | Junctions | Length [1] | Remarks |
|---|---|---|---|---|---|
 US 69 [3] | S/N |  SH 87 at Port Arthur to Hardin County | |||
 US 90 [4] | E/W | Orange County to Liberty County | Known in Beaumont as College Street outside of Downtown, known as Willow Street, Park Street, and Pearl Street within Downtown | ||
 US 96 [5] | S/N | SH 87 at Port Arthur to Hardin County | |||
 US 287 [6] | S/N | SH 87 at Port Arthur to Hardin County |
| Route Name | Direction | Termini | Junctions | Length [1] | Remarks |
|---|---|---|---|---|---|
 SH 73 [7] | E/W | I-10 to Chambers County | Designated as H.O. Mills Highway | ||
 SH 82 [8] | |||||
| SH 87 [9] | Known in Port Arthur as Gulfway Drive, bridges over the Jefferson-Orange county line include the historic Rainbow Bridge and the Veterans Memorial Bridge | ||||
 SH 105 [10] | E/W |  U.S. Highway 69/U.S. Highway 96/U.S. Highway 287 to Hardin County | |||
 SH 124 [11] | S/N | Known in Beaumont as Fannett Road | |||
 SH 326 [12] | |||||
 SH 347 [13] | Known locally as Twin City Highway |
| Route Name | Direction | Termini | Junctions | Length [1] | Remarks |
|---|---|---|---|---|---|
 Spur 93 [14] | Known locally as West Port Arthur Road | ||||
 Spur 136 [15] | |||||
 Spur 215 [16] | Known locally as Savannah Avenue | ||||
 Spur 380 [17] | Known locally as M.L. King Jr. Parkway |
| Route Name | Direction | Termini | Junctions | Length [1] | Remarks |
|---|---|---|---|---|---|
 FM 364 [18] | Known locally as Major Drive. Decommission in 1995. Mileage transferred to UR 364. | ||||
 FM 365 [19] | Known in Port Neches as Nall Street | ||||
 FM 366 [20] | Known in Port Neches as Magnolia Avenue, and as Pure Atlantic Road in Groves | ||||
 FM 823 [21] | |||||
 FM 1009 [22] | |||||
 FM 1406 [23] | |||||
 FM 3514 [24] |