Portable rumble strip

1. A portable rumble strip comprising:

a base having a first and an opposing second side, said first side adapted to conform to a roadway, said opposing second side extending outward from said roadway;

grips orientated on said first side of said base effective to adhere said base to said roadway by friction; and

vibrators extending a length of said base, having a first side flush with said first side of said base and an opposing second side protruding away from said base effective to cause a vibration when engaged by a moving vehicle, said vibrators second sides being spaced apart so that when said portable rumble strip is rolled up, said vibrators interlock for storing and carting without damaging said portable rumble strip.

2. The portable rumble strip of claim 1 , wherein said portable rumble strip is fabricated of a flexible material.

3. The portable rumble strip of claim 1 , wherein said base has a substantially rectangular shape.

4. The portable rumble strip of claim 1 , wherein said base is netting material.

5. The portable rumble strip of claim 1 , wherein said base has a plurality of sloped edges.

6. The portable rumble strip of claim 1 , wherein said plurality of vibrators are raised surfaces having a trapezoidal shape.

7. The portable rumble strip of claim 6 , wherein said plurality of vibrators have a reflective coating.

8. The portable rumble strip of claim 1 including a hook at one end of said portable rumble strip and an eye at an opposing end of said portable rumble strip effective to both secure said portable rumble strip in a tubular form for storage and to lock said portable rumble strip to another portable rumble strip.

9. The portable rumble strip of claim 1 , wherein said portable rumble strip is fabricated by injection molding.

10. The portable rumble strip of claim 1 wherein said grips are a plurality of discrete traction elements.

11. The portable rumble strip of claim 10 wherein said grips are formed of a soft rubber.