In tram transport terminology reserved track is track on ground exclusively for tram

Tram

A tram is a passenger rail vehicle which runs on tracks along public urban streets and also sometimes on separate rights of way. It may also run between cities and/or towns , and/or partially grade separated even in the cities...

s. Unlike track on streets and roads, reserved track does not need to take into account the transit of other wheeled vehicles, pedestrians, bicyclists or horses. It is the cheapest form of tram track to construct, and usually is constructed like railway track with conventional sleepers (railroad ties).

See also

• Street running
  Street running
  On-street running or street running is when a railroad track or tramway track runs directly along city streets, without any separation. The rails are embedded in the road....
  
  , where trams or other vehicles share a right of way on a road or street
• Tramway track
  Tramway track
  Tramway track is used on tramways or light rail operations. Grooved rails are often used in order to make street running feasible...