High speed high performance delineator system

A traffic delineator post system comprising:

• a flexible delineator body member having an upper and a lower end;
• a base member for supporting and retaining said body member and adapted to be fixed to any suitable stationary object and having a threaded receiving space therein;
• and
• a high strength, flexible, resilient cylindrical collar member attached at a first end to said lower end of said body member and a second end of said collar member adapted to be releasably interlocked within said receiving space in said base member,
• said collar member having an inner longitudinal axis and side walls angularly tapering at an angle in the range of 1-5 degrees from a horizontal axis of said collar member toward said inner longitudinal axis, and at least four tapering, rigid, helically threaded shoulders at said second end of said collar member and adapted to be releasably interlocked within said receiving space in said base member;
• wherein said collar member and said side walls have a first thickness t1 greater at said second end of said collar member than a second wall thickness t2 at said first end of said collar member;
• and wherein said collar member being capable of flexing from a first upright position upon vehicular impact to said system and rebounding to said first upright position upon cessation of said impact.