Introduction

Speed zones on the state highway system, including turnpikes under TxDOT’s authority, may be set by Transportation Commission minute order or by the city, depending on the circumstance (as shown in the following table).
Authority to Set Speed Zones on State Highway System
(including on turnpikes under TxDOT’s authority)
If the speed zone is...
Then it is established by...
outside a city
Transportation Commission minute order
inside a city
city ordinance or resolution or Transportation Commission minute order
This chapter covers the speed zone approval process for each of these circumstances.