ran on October 31, 2011, when service was suspended for Sun Link construction; the plan was for Old Pueblo Trolley to share operations, trackage and stations with Sun Link, but no date has yet been set for OPT service to resume. Regional seamless transit system On January 22, 2009, a regional seamless transit system was unveiled that helps to better unify the various public transit services in and around the Tucson metropolitan area. One change was the renaming of several of the services under the "Sun" moniker: the Sun Tran express bus routes become Sun Express; Van Tran (paratransit) becomes Sun Van, circulator routes in outlying areas become Sun Connect, and RideShare (carpooling) becomes Sun RideShare. Along with this name change comes a new logo and color scheme, replacing the old red, yellow, and white with a blue, yellow, silver, and white livery that extends across not only the Sun Tran buses, but the other services as well (even the renderings and computer animations of the then-under-development Sun Link streetcar were converted to the new design). The new livery was introduced into service on February 16, 2009, with the addition of 47 new Sun Tran buses and 42 Sun Van (formerly Van Tran) paratransit vehicles to the fleet. Current vehicles will keep their existing liveries until they are either overhauled or replaced. Also in the works are new fare machines that allow a single "smart card" to pay fares on Sun Tran, Sun Express, Sun Connect, and the downtown streetcar; and improved signage at bus stops and transit centers. Sun Connect service started on May 4, 2009, under the name Sun Shuttle, with routes to the north and northwest, Green Valley, and Sahuarita. References External links Sun Tran home page City of Tucson Transit Services Regional Transportation Authority website Transit agencies in Arizona Bus transportation in Arizona Transit authorities with natural gas buses Transportation in Tucson, Arizona 1969 establishments in Arizona