Abstract: A recessed delinator base for disposition in grooves in a highway or traffic support surface has a body member with leg portions attached to the body and extending outwardly therefrom. The body has a circular notch formed therein to accept a traffic delineator knuckle assembly. Within the notch and extending upwardly from the bottom thereof are a plurality of spaced apart studs. Each stud has and enlarged head portion. At least one detent receiving hole is provided in the bottom of the notch for accepting a detent lock pin for securing the knuckle assembly from rotation once placed within the recessed circular notch in the base. The ramping or sloping legs urge a clearing implement to slide along the top-most portion of the body member thereby avoiding engagement with the knuckle attachment studs when the support surface is cleared or cleaned.