The law sets the maximum at 70 mph, but allows the Texas Transportation Commission to establish a maximum speed limit of 75 mph, or 80 mph or 85 mph if the highway is designed to accommodate that speed on the highway system if that speed is determined to be safe and reasonable after a traffic or engineering study. The second sign should be placed within 1,100 feet of the first sign. Payment by Others for Installation of Traffic Control Devices, The Texas Manual on Uniform Traffic Control Devices (TMUTCD), Standard Highway Sign Designs for Texas (SHSD), Fluorescent Retroreflective Sheeting Types, Repair of Large, Ground-Mounted Guide Sign Supports, County Road Intersections with State Highways, Ramps Intersecting Separately Numbered Highways, Example Signing for Left Lane Restriction, Example Signing for Left Lane Restriction Plaques, How to Measure Minimum Vertical Clearance, Texas Travel Trails (Texas Heritage Trails Program), Combination of Routes Between Major Destinations, Spacing Additional Destination and Distance Signs, Local Authority Requests for Traffic Generator Signs, Signing for Traffic Generator Within the City Limits, Eligibility Requirements for Licensed General Hospitals, Eligibility Requirements for Signing of Licensed Free-Standing Emergency Medical Care Facilities, Exemptions from Licensing Requirements for Free-Standing Emergency Medical Care Facilities, Offices of Elected US and State Officials, Advance and Directional Signing Standards, Cell Phone Use Prohibited Signs (Within School Zone), Cell Phone Use Prohibited (Within City Limits), Standard How far your access roads and driveways will need to be designed varies directly with the type of road your development lies on and the posted speed (this varies from a roadway design speed, which can often be higher than the speed limit). In our county , a Florida one, IF the speed limit is 25 mph or higher, the Sheriff can patrol and write tickets. reduction, and warning signs that are placed at the road hazard. On a crosswalk. provides information and requirements for the location and spacing Speed Limit Signs: a history of speeding in the U.S. - RoadTrafficSigns.com (i) Distances shown between speed limit signs are examples and may be greater, depending on the results of speed checks. limits, based on the results of an engineering and traffic investigation, are