Implement method of speed limit on freeway

Based on analyzing merits and demerits and applicability of speed limit of different lanes and different vehicle types comprehensively,applying study results of author's about the maximum speed limit fiducial value,correction coefficients of the number and location of lanes and the minimum speed limit method,it were brought forward that implement methods and suggestion values of speed limit of different vehicle types and lane according to lane numbers.The concepts of speed limit zone and continuity index of speed limit was given.Taking the continuity index of speed limit being less than 0.85 as dividing basis of speed limits zone,division results of speed limit zone were given.