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Sentinel Between Car Barriers System

The patented Sentinel Between Car Barrier (BCB) System was developed to address platform safety issues experienced by the transit industry. Sentinel is designed to alert visually impaired riders that the space between the cars is not a door opening, thereby deterring them from entering the area between the cars and falling to the rails below.

Ideal for systems that have elevated platforms and level boarding conditions with consistent rail car length. Sentinel is fully customizable for length and height of required uprights, with or without retro-reflectorizing. Installation is both quick and easy. Sentinel’s uprights utilize our patented spring system that allows the unit to be traversed by wheelchairs or maintenance vehicles in the event of errant docking for excellent platform safety.

Meets UL 94 V-0 standards for fire retardancy.

Sentinel now comes with domed caps.

U.S. Patent


  • Color: Yellow
  • Post Heights: 26", 36", 42", 48"
  • Rail Width: 8.0"
  • Rail Height: .94"
  • Rail Length: 36"
  • Rail Sockets: 4
  • End Caps: 4", 12" (1 socket)
  • Fire Retardance: UL-V0

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