Impacts of Snowy Weather Conditions on Expressway Traffic Flow Characteristics

Table 4

Reduction coefficients of traffic flow parameters under various snow densities.

Snow density		Heavy snowy day	Day after heavy snow	Moderate snowy day	Light snowy day
Average; Reduction percentage (%)	Volume	42.70	39.05	13.95	2.11
	Speed	28.01	5.07	6.60	1.77