What is the speed limit on national highways?

[LeAnthony]

Speed limit standards for national highways: The speed limit for national highways passing through cities is 40 to 60 kilometers per hour, while the speed limit for national highways connecting cities is 60 to 80 kilometers per hour. Regulations on national highway speed limits: The speed limit on expressways is generally 110 to 120 kilometers per hour. For first-class roads such as national highways and provincial highways, the speed limit is 80 kilometers per hour; the speed limit on suburban roads is 70 to 80 kilometers per hour; and the speed limit on urban roads is 40 to 60 kilometers per hour. Penalties for exceeding national highway speed limits: Exceeding the speed limit by less than 50% results in a 3-point deduction. Exceeding the speed limit by more than 50% but less than 80% results in a 6-point deduction and a fine; exceeding the speed limit by more than 80% but less than 100% results in a 12-point deduction and a fine; exceeding the speed limit by more than 100% may lead to the revocation of the driver's license. According to Article 99, Paragraph 1, Item 4, and Paragraph 2 of the Road Traffic Safety Law, driving a motor vehicle at a speed exceeding the limit by 50% will result in a fine imposed by the traffic management department of the public security organ. If the offender commits any of the acts listed in Paragraph 2 or Item 4 of the preceding paragraph, their motor vehicle driving license may also be revoked; if the offender commits any of the acts listed in Item 1, 3, or 5 to 8, they may also be detained for up to 15 days.