What is the maximum speed limit for passenger cars on Texas highways numbered by the state?

The maximum speed limit for passenger cars on Texas highways numbered by the state is indeed 70 mph during daytime. This reflects Texas legislation that allows faster speeds on certain highways to accommodate the flow of traffic and improve efficiency in travel. It is important to note that individual speed limits can vary by specific highway segments and local regulations, but the general maximum for state-numbered highways can reach up to 70 mph in appropriate conditions during the day.

Driving within this speed limit means that drivers can maintain a safe and reasonable speed while considering other factors like traffic, road conditions, and visibility. This maximum is set with safety in mind, balancing the need for free movement with the importance of safe driving practices.

The other options provided reflect limits that do not apply uniformly across all highways in Texas. For instance, 75 mph is only applicable under specific circumstances or in areas designated for higher speeds, while 55 mph represents an outdated maximum that has been adjusted upward in many areas. Understanding these limits helps ensure that drivers remain compliant with Texas laws while promoting road safety for all users.