Uber is a an app that connects you with a driver at the tap of a button. Available on iPhone, Android, and at m.uber.com. Use the promo code MARTAGuide to get a free first ride, up to $20. Sign up now!
Join Zipcar and get $25 free driving in the tank. Hourly and daily rates include gas, insurance and all the fixings. Cars around the corner are available 24/7.