Method for preventing congestion between road side equipment and on-board equipments

The invention RSE (Road Side Equipment) and OBE (On-board Equipment) congestion by avoiding a method, in particular RSE to allow access from a small OBE delay time by individually assigning a delay time to a plurality of OBE RSE between and it relates to congestion avoidance method between OBE. Avoiding congestion according to the invention method, in the congestion avoidance method between the RSE and the plurality of OBE using the DSRC, the by assigning a different delay to each of the plurality of OBE in sequence according to a small order that the delay time RSE It characterized in that it allows connection to.