Autostop online

Carpooling (also known as car-sharing, ride-sharing, lift-sharing and covoiturage), is the sharing of car journeys so that more than one person travels in a car.

Pana acum am gasit cateva situri romanesti:
http://cumasina.net/
http://www.ecodrum.ro
http://autostoponline.ro/ (asta e mai slabut)

Situri din afara care ar putea avea si ceva pentru Romania:
roadsharing.com
www.carpoolworld.com
(mai sunt multe altele, dar doar astea aveau ceva din Romania cand m-am uitat)