If you’ve resolved to get more excercise, save more money, or lighten your environmental footprint in the New Year, here's a way to achieve all three goals at once: Ride your bike to work once a week. As gas prices soar and traffic congestion worsens, more and more Americans are choosing two-wheeled transportation.

For great resources about how to navigate your city by bike, visit Thunderhead Alliance, a national coalition of state and local organizations advocating safe cycling routes and strong pedestrian rights for healthy commuters. Its member organizations are in over 100 cities in 47 states nationwide.