Traffic Railing Type T221

Classification
Traffic
Description
Vertical-faced concrete parapet. This parapet is taller and thicker than the T201 railing, from which its design is derived, allowing optional use of welded wire reinforcement.
Approved test criteria and level
Evaluated and approved for MASH TL-3.
Nominal height
32 inches
Minimum height after maintenance overlays
30 inches
Sample alt text
Figure A–18. Type T221 Railing