Unless otherwise posted, the speed limit in residential areas is: 2025 Texas Permit Test Question Unless otherwise posted, the speed limit in residential areas is: Answers 20 mph. 30 mph. 45 mph. Explanation The statewide speed limit in residential areas is 30 mph. If a different speed limit is posted, you should follow the posted limit. See the exact questions that will be on the 2025 Texas DMV exam. 99.2% of people who use the cheat sheet pass the FIRST TIME Click HereFull Cheat Sheet Unlock Your Exclusive Cheat Sheet! This questions appears in the following tests: Wyoming Practice Test 34