MB Recommends Use of Heavy Blockers

Mobile Barriers MBT-1 CO CDOT

Mobile Barriers recommends use of a heavy in-lane shadow vehicle or blocker (eg a dump truck
loaded to around 50,000 lbs with signage and TMA) 300’/100m behind the MBT-1 where heavy
commercial vehicles comprise a high proportion of prevailing traffic.

  Shadow Stretching - New Attenuator Research Adjust to Heavier Traffic
    Road & Bridges, Safety Today, June 2016