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Buried Terminal
The buried terminal is the preferred terminal because it eliminates the exposed end of the guardrail. The guardrail is anchored in a backslope that is 1V:3H or steeper and at least 4 feet in height.
Buried Terminal Type 1 is used when the foreslope is 1V:10H or flatter. The guardrail is flared into the backslope using the appropriate flare rate. The height of the guardrail is maintained as it enters the embankment. Standard Plan C-4
Buried Terminal Type 2 is used when the foreslope is as steep as 1V:4H. A more abrupt flare is acceptible after the rail passed the bottom of the ditch. The height of the guardrail is maintained relative to the roadway and a rubrail is used along the exposed portion of the posts. Standard Plan C-4a
