Which Lane is the Fast Lane?

[LeConnor]

Fast lane is the leftmost lane. Generally, the leftmost lane on China's highways or urban roads is the fast lane. On roads with two or more motor vehicle lanes in the same direction, the left lane is the fast lane, while the right lane is the slow lane. On roads with three motor vehicle lanes in the same direction and no other markings, the leftmost lane is the fast lane. The relevant details about the fast lane are as follows: Introduction 1: When there are two or more motor vehicle lanes in the same direction, the left lane is the fast lane, and the right lane is the slow lane. Introduction 2: Vehicles driving in the fast lane should maintain the speed specified for that lane. Vehicles that cannot reach the specified speed should use the slow lane. Introduction 3: Vehicles in the slow lane can temporarily use the fast lane to overtake the vehicle in front.