The Slotted Rail Terminal (SRT-350®) is a gating, flared end terminal used on guardrail and other compatible steel barriers. The system can be assembled and installed into two configurations including a 6-post straight flare or an 8-post parabolic flare design. The difference between the post configurations is the type of posts used. The 6-post system utilizes 2 steel breakaway posts with 4 wood CRT posts and is assembled in a straight line flare. The 8-post system uses 8 wood posts and is assembled in a parabolic flare.

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Features & Benefits

  • Tested to NCHRP Report nchrp350 
  • Parabolic or straight flare options
  • Improved angle struts allow for easier installation
  • Potentially reusable steel breakaway posts after impact 
  • 3’- 4’ (915 mm-1220 mm) offset results in reduced installation costs
  • Fewer posts and a straight layout provide cost savings in construction, making replacement easier


  • Length: 37′ 6″ (11.43 m)
  • 4′ (1,220 mm) SRT-350® 6 post
  • LON: 12′ 6″ (3.81 m) from the nose of the terminal (at the 3rd post)
  • Offset: 3’, 3’ 6”, and 4’ (915 mm, 1,070 mm, and 1,220 mm) SRT-350® 8 post

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