From the Texas DOT website as of April 2020
Listed as: Rest Area Name – Location; Mile Post (if one was given); Latitude; Longitude
Bell County Northbound IH 35 – Northbound, approximately 2 miles south of Salado, midway between Austin and Waco; MP 281; 30.9001; -97.5623
Bell County Southbound IH 35 – Southbound, approximately 2 miles south of Salado, midway between Austin and Waco; MP 282; 30.9137; -97.5508
Crosby County Eastbound US 82 – Eastbound, east of Crosbyton; 33.6661; -101.1597
Donley County Eastbound IH 40 – Eastbound, 1 hour drive east of Amarillo; 129 35.1792; -100.8353
Donley County Northbound US 287 – Northbound, 4 miles east of Hedley; 34.8269; -100.6101
Donley County Southbound US 287 – Southbound, 4 miles east of Hedley; 34.8324; -100.6197
Eastland County Eastbound IH 20 – Eastbound, just east of Ranger; MP 353; 32.4569; -98.6483
Eastland County Westbound IH 20 – Westbound, 8 miles east of Ranger (between Ranger and Thurber); MP 359; 32.4906; -98.5492
Gray County Westbound IH 40 – Westbound, just west of Alanreed; 131 35.1985; -100.7982
Hale County Northbound IH 27 – Northbound, approximately 8 miles south of Hale Center; 29 33.9314; -101.8537
Hale County Southbound IH 27 – Southbound, approximately 8 miles south of Hale Center; MP 29; 33.9368; -101.8542
Hardeman County Northbound US 287 – Northbound, east of Quanah; 34.2685; -99.6302
Hardeman County Southbound US 287 – Southbound, east of Quanah; 34.2682; -99.6337
Hill County Northbound IH 35 – Northbound, approximately 5 miles south of Hillsboro, midway between Dallas/Ft. Worth and Waco; MP 362A; 31.9118; -97.0951
Hill County Southbound IH 35 – Southbound, approximately 5 miles south of Hillsboro, midway between Dallas/Ft. Worth and Waco; MP 362A; 31.9302; -97.1039
Hopkins County Eastbound IH-30 – Eastbound, just east of Cumby. About 75 miles east of Dallas; MP 111; 33.1308; -95.8178
Hopkins County Westbound IH-30 – Westbound, just east of Cumby. About 75 miles east of Dallas; MP 111; 33.1312; -95.8186
Navarro County Northbound IH 45 – Northbound, south of Corsicana; MP 216; 31.9047; -96.3832
Navarro County Southbound IH 45 – Southbound, south of Corsicana; MP 216; 31.913; -96.3976
Pecos West County Eastbound IH 10 – Eastbound, 26 miles west of Ft. Stockton; MP 233; 30.9388; -103.3139
Pecos West County Westbound IH 10 – Westbound, 26 miles west of Ft. Stockton; MP 233; 30.9378; -103.3052
Ward County Eastbound IH 20 – Eastbound, 13 miles west of Monahans; MP 69; 31.5381; -103.0717
Ward County Westbound IH 20 – Westbound, 13 miles west of Monahans; MP 69; 31.5408; -103.0639
Thanks, Arthur!