Metro has submitted a three proposals: Railroad style gate, Lift Master
Chain Link Cantilver Slide Gate, Chamberlain
Upgrade to Ornamental Bottom track Cantilever Gate, Chamberlain
Railroad style lift gate by LiftMater
LiftMaster specs
Slide Gate Drive used with Chain Link or Ornamental Gate
See the LiftMaster railroad gate MAT and MA
See the Chamberlain Slide Gate Drive