The new DSC650 bollard modules were tested in accordance with ASTM Designation F 2656-07 Standard Test Method for Vehicle Crash Testing of Perimeter Barriers – August 1, 2007 with a rating of PU50/P1 ...

The DSC720 1M is Delta's highest crash rated bollard tested with a 15,000 lb vehicle at 50 mph. This bollard will stop and destroy much larger vehicles than those tested at very high velocities.

The 148 fifty-pound bollards that typically block vehicle traffic on 5th Avenue between K Street and Broadway were temporarily removed in February due to financial constraints. "We had to halt the ...