What is the speed limit in residential areas in Texas unless otherwise posted?

Answer: B — 30 mph

In Texas, the speed limit in residential areas is set at a default of 30 miles per hour unless otherwise posted. This regulation is established to enhance safety in neighborhoods where pedestrians, including children playing, are more likely to be present. The 30 mph limit encourages drivers to maintain a moderate speed that allows for better reaction times to unforeseen situations. While some other speed limits may apply in different contexts, such as school zones or specific types of roadways, residential areas specifically adhere to this 30 mph standard. Understanding this limit is crucial for both new and experienced drivers, as it highlights the importance of adjusting driving behavior in environments where there may be increased activity and the potential for hazards.