Halfbakery: vehicle: road: speed http://www.halfbakery.com/view/fc=10768:s=c:d=iw:dn=100:ds=A:i=Ideas_20are_20sorted_20alphabetically_2e_3cbr_3e_0d_0a_3ccreated_3e:t=vehicle_3a_20road_3a_20speed?op=editview Ideas are sorted alphabetically.<br> <created> Halfbakery (mailto:bakesperson@gmail.com) Constant Frequency Road Markings (0.5) http://www.halfbakery.com/idea/Constant_20Frequency_20Road_20Markings Speed-Limited Road Design (-0.5) http://www.halfbakery.com/idea/Speed-Limited_20Road_20Design Speed Limits (-1.5) http://www.halfbakery.com/idea/Speed_20Limits velocitymarker (0.0) http://www.halfbakery.com/idea/velocitymarker "Wall of Death" motorway bends (1.0) http://www.halfbakery.com/idea/_22Wall_20of_20Death_22_20motorway_20bends