10 New Ideas for Better Roads
Hari Kalla, a professional engineer at the Department of Transportation’s Federal Highway Administration, in Washington, D.C., reveals what the best roads have that the worst roads don’t.
Paving a gradual 30-to-35 degree slope to a road’s edge helps prevent the notoriously dangerous rollovers and crashes that occur when a tire inadvertently strays over a steep edge.
Solar Powered Signs
Flashing LED signs call attention to what’s important.
Larger, More Legible Signs
Easier to read and understand at highway speeds, jumbo stop signs measure four feet by four feet.
More time in the Cross-Walk
Pedestrians don’t get caught in the middle of a thoroughfare.
Medians and Pedestrian Refuge Areas
Creating these at pedestrian crossings lowers injuries by 46 percent.