What are the regulations on motor vehicle speed limits?

[McMelanie]

Motor vehicle speed limits vary under different circumstances. Below are the relevant regulations on motor vehicle speed limits: 1. Roads without center lines: For urban roads without center lines, the speed limit is 30 kilometers per hour; for highways, it's 40 kilometers per hour. 2. Roads with only one motor vehicle lane in the same direction: The speed limit is 50 kilometers per hour for urban roads and 70 kilometers per hour for highways. 3. Roads with two or more motor vehicle lanes in the same direction: The speed limit is 70 kilometers per hour for urban roads, and 80 kilometers per hour for closed motor vehicle-only roads and highways.