20mph Zone Inc Symbol Sign Post-Mounted - Diagram 674 R2/RA2 (Face Only)This road sign tells drivers that they are entering a 20mph zone. This means an area with traffic calming features on the road, such as speed humps, cushions, or chicanes. These zones require specific signs at all entry and exit points, instead of 20mph speed limit repeater signs along the road. You will often find 20mph zones in residential areas and outside schools. Our 20mph Zone signs are R2 RA2 reflective for enhanced visibility at night and in