How much do you train? Maybe not as much as you'd like, but you still spend a lot of time cycling on your local roads. In some areas that experience is a good one, in others it's more like a war.

If you liked the '50s through '70s - which saw an increase in air pollution, traffic congestion, greenhouse gas emissions, plus traffic fatalities for pedestrians, bicyclists and motorists - you'll love Congress' new transportation bills.

How can cyclists and motorists better understand each other?