May
12th
Mon
12th
The most important thing cities can do is relieve congestion. The Texas Transportation Institute estimates urban congestion wastes nearly 3 billion gallons of fuel each year, in turn emitting 28 million tons of CO2. This has more than quintupled since 1982. One simple way to relieve congestion is to coordinate traffic signals. The Federal Highway Administration estimates that three out of four traffic signals need updated coordination systems. Signal coordination costs little yet can save huge amounts of time, fuel and emissions.