Texas formerly shared the highest speed limit in the nation with Utah's test section of I-15. The speed limit along I-10 from Kerr County to El Paso County was raised by the Texas Legislature to in 1999 and to in 2006. However, the nighttime maximum speed limit remained , and the daytime truck speed limit was . With of highway in Texas, the stretch of I-10, and of I-20, between Monahans and the I-10 interchange at the cusp of the Davis Mountains, only a small percentage of roads were affected. On September 1, 2011, nighttime speed limits were eliminated, and the statutory maximum speed limit in Texas was increased from .
Texas formerly shared the highest speed limit in the nation with Utah's test section of I-15 ,The speed limit along I-10 from Kerr. County to El Paso County was raised by the Texas Legislature to in 1999 and to in 2006. However, the nighttime maximum speed limit remained , and the daytime truck speed limit was . With of highway in Texas, the stretch of I-10, and of I-20, between Monahans and the I-10 interchange at the cusp of the Davis Mountains only a small percentage of roads were affected. On September 1, 2011, nighttime speed limits were eliminated, and the statutory maximum speed limit in Texas was increased from .