Razorback Stadium) and all services are closed on official University holidays. Reduced service is offered during the summer from 7:00 am to 6:00 pm. Buses All buses in the Razorback Transit system are air-conditioned and possess wheelchair lifts. Razorback Transit began replacing its fleet in 2010 when it purchased three 2010 Orion International low floor buses, with four low floor models ordered from the Gillig Corporation to be delivered in the following years. The new buses are usually used for the longer routes, such as the Red, Blue, and Tan routes. Union Station Almost all bus routes begin and end at Union Station, which is located atop the Stadium Drive Parking Garage. This garage is attached to The Arkansas Union by a short walkway. Union Station contains an indoor area for users to wait for buses, view maps of the bus system, or access vending machines. Elevators provide access to the four floors of parking underneath the station. Access to Union Station is restricted by gates on Garland Avenue which restrict traffic from entering the heart of campus. Only buses and officially authorized personnel are able to open the gates using a radio transmitter. Standard service All Razorback Transit buses are equipped with live GPS tracking equipment that is accessible to the public via http://campusmap.uark.edu Blue route Brown route Gray route The Gray route begins at Union Station and runs north along Garland Avenue to stop at Oak Plaza and further north the Crafton Place Apartments. It continues along Arkansas Highway 112 before turning onto Cassatt Street to stop at the Food Science research center. The route now returns, stopping at the Abernathy Center (the biological and agricultural engineering research center) before returning to AR 112 northbound. It briefly runs on Drake Street before stopping at the Fair Park Apartments, the Biomass research center, and the Archeological survey center. Now traveling south on Highway 112 (Garland) the Gray route picks up the last half of the Blue route starting at Maria H. and continuing south on Leverett Ave. before reaching campus and terminating at Union Station. Green route The Green bus exits Union Station to the south, stopping first at Brough Commons before descending the hill. At Pomfret Hall the route stops again before winding along Clinton Street. The route makes two stops at Lot 56 before turning onto Razorback Road heading north. The Green route makes stops at John