The road was studied by road builders from all over the country to see how the concrete withstood traffic and the elements. It inspired many modern highways to be built!
And it all started in the Motor City itself!
(via waymarking.com)
Concerns over the environment — and the utter annoyance of having to brake and accelerate frequently — have prompted one Mexican state government to embrace a "smart" speed bump that could make driving smoother, without sacrificing safety.The device, being developed by Mexico-based Decano Industries, automatically lowers into the ground when drivers go the speed limit or slower. Drive too fast, and the bump stays up."With this speed bump, people will feel rewarded for obeying the law," says Carlos Cano, the company's president.
Brilliant! I can't wait for them to make their way into the States!
(for more info & my source, click here)
"Where roundabouts have been installed, motor vehicle crashes have declined by about 40 percent, and those involving injuries have been reduced by about 80 percent. Crash reductions are accompanied by significant improvements in traffic flow, thus reducing vehicle delays, fuel consumption, and air pollution."