The SMT is a trailer-mounted attenuator (TMA) for use on stationary or moving shadow support vehicles. It is tested to MASH Test Level 3 and designed to help absorb rear-end impacts at speeds up to 62 mph (100 km/h) when impacted within MASH test criteria.
-----------
Editor's Note: Scranton Gillette Communications and the SGC Infrastructure Group are not liable for the accuracy, efficacy and validity of the claims made in this piece. The views expressed in this content do not reflect the position of the Roads & Bridges' Editorial Team.