Traffic Railing Type T402

Classification
Traffic
Description
24-inch concrete parapet and a steel ellipse or rectangular HSS 18 inches above the concrete. It has twin steel posts spaced a maximum of 10 ft. apart. It features a bolt anchorage system for the steel rail posts that may be drilled and epoxyanchored, allowing slip-forming of the concrete parapet. Its parapet is thicker than that of the C4(S) railing, from which its design is derived.
Approved test criteria and level
Successfully crash-tested and approved for MASH TL-4.
Nominal height
42 inches
Minimum height after maintenance overlays
40 inches
Sample alt text
Figure A–8. Type T402 Railing