Influence of Large Vehicles on the Speed of Expressway Traffic Flow

Table 1

Car exterior size classification.

Vehicle type classification	Total length (m)	Total width (m)	Total height (m)	Remarks
Passenger car	6	1.8	2	Passenger car with seat ≤ 19 seats and truck with load ≤ 2t
Medium vehicle	13.7∼18	2.5	4	Passenger car with seat > 19 seats and 2t < Truck with load ≤ 7t
Truck	12	2.5	4	7t < Truck with load ≤ 20t
Articulated train	18	2.55	4	Truck with load > 20t