What is the top speed limit for heavy trucks on the open highway during the daytime?

The top speed limit for heavy trucks on the open highway during the daytime is set at 60 mph in Texas. This regulation is in place to enhance safety on the roads, as heavy trucks require a longer distance to stop and have different handling characteristics compared to lighter vehicles. Setting a speed limit specifically for heavy trucks helps to minimize the risk of accidents and ensures that these larger vehicles can navigate highway conditions safely and effectively.

While other options represent legal speed limits for different types of vehicles and conditions, 60 mph aligns with the standards established for heavy trucks during daytime operation on open highways. This understanding is crucial for drivers of commercial vehicles to adhere to state regulations and maintain safe driving practices.