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Guardrail Terminals at 6 in (150 mm) Curb A potential problem is created when a guardrail end treatment is used where 6 in (150 mm) curb is inplace Since a flared terminal is placed with a 4 ft (12 m) flare, a considerable length of guardrail is more than 9 in (230 mm) behind the face of the curb, thus causing a condition underCDOT Guardrail Systems Field Guide for Construction Engineers and Inspectors Page 11 of 57 SRT end rail panel The SRT guardrail panels have two sets of three long slots with a slot guard bolted on the downstream side of the slots These slots should be between posts 1 and 2, 2 and 3, 3 and 4, and 4 and 5 Toward Post 1Guardrail maintenance is a key component of protecting the roadside, but there is uncertainty as to how to maintain the various guardrails and end treatments that are currently in use Local jurisdictions continue to perform guardrail maintenance but there are no current guidelines to ensure that maintenance practices are to Are Guardrail End Terminal