Even if the posted limit allows a higher speed, you must never drive:

• A.Slower than traffic in any lane
• B.At night without speeding up
• C.Below the limit in rain
• D.Faster than is safe for current weather, traffic, and road conditions

Why

A posted limit is a maximum for good conditions, not a guarantee that speed is safe. You must adjust downward for rain, fog, curves, congestion, or poor visibility.

Manual topic: Texas Driver Handbook (DL-7) - Basic Speed Law · From the Texas Learner's Permit (Car) practice bank (TXC-028).

Practice the full Texas Learner's Permit (Car) test

More Speed Limits & Following Distance questions

• Unless a different speed is posted, what is the speed limit in an urban or residential district in Texas?
• Unless posted otherwise, numbered highways outside an urban district in Texas may have a speed limit up to:
• School zones in Texas typically have a speed limit of:
• In normal conditions, you should generally keep at least how much following distance behind the vehicle ahead?
• When following a motorcycle, the Texas handbook says to allow: