Question Unless otherwise posted, the speed limit in an alley is: Answers 35 mph. 25 mph. 15 mph. 10 mph. Explanation When driving in an alley, the speed limit is 10 miles per hour. If a different speed limit is posted, follow the posted speed limit. Pass your DMV Written Test with flying colors Take me to the cheat sheet Minnesota This questions appears in the following tests: Minnesota Practice Test 16 Minnesota Practice Test 18