I appreciate the responses regarding bus transportation. I just now had a look at the Karwa website and the map of routes. If those routes are currently active and not just planned for the future, bus service in and around Doha seems to be good enough.

http://www.karwasmartcard.com.qa/#!

http://qatar.angloinfo.com/transport/public-transport/local-bus-services/

http://www.mowasalat.com/en/staticpages/page/ca3a333c-28f5-4499-852b-c99...