Alley speed limit｜小巷限速

原创练习题 / Practice question

What is the speed limit in an alley as defined in the handbook?

符合手册定义的建筑后侧或侧面出入口小巷，限速是多少？

1. 30 mph / 30 mph
2. 20 mph / 20 mph
3. 15 mph / 15 mph
4. 25 mph / 25 mph

答案与解析 / Answer and explanation

15 mph. An alley is no wider than 25 feet and provides access to rear or side entrances. Its speed limit is 15 mph.

15 mph。手册定义的小巷宽度不超过25英尺，用于通往建筑或物业的后侧或侧面出入口，限速15 mph。