Work-Zone Safety (Attenuators)
Figure 1. MoDOT AFAD and its CMS signs.
Flaggers are professionally trained to guide and direct vehicles through work zones, and they are often located closest to the oncoming traffic. Discovering ways to protect flaggers is an important issue in work-zone safety. One countermeasure that can be applied when there is a one-lane closure on...
Figure 1. TMA light configurations investigated in the study.
As state departments of transportation (DOTs) shift their attention towards maintenance of existing infrastructure, improving safety in both stationary and mobile work zones is becoming more of a consideration.
One countermeasure to help improve safety in mobile work zones is the truck-mounted...
The rumble strips were set out in a dual three-strip array.
Last October, Shelly & Sands, a prime highway contractor, installed RoadQuake 2F Temporary Portable Rumble Strip (TPRS) arrays in two Ohio work zones. The installation, conducted in partnership with Ohio Department of Transportation (ODOT) and Ohio Contractors Association (OCA), tested the...
News
January 11, 2017
Nearly all of the 367 malfunctioning guardrails across Colorado have been replaced, now correctly absorbing the energy of a crash and returning to their intended purpose—saving lives.
Prior to the fix, Colorado Department of Transportation (CDOT) crews occasionally paired guardrail parts from...
The safety of many short-term, short-duration and mobile work-zone operations is enhanced through the use of shadow vehicles and truck-mounted attenuators (TMAs).
Shadow vehicles and TMAs are deployed upstream of these operations to protect work crews on foot from a vehicle intruding into the...
Deployment and removal is easier, faster, safer with CRIB Cargo Carrier.
Distracted driving crashes are a prime factor in traffic fatalities and injuries. The National Highway Transportation Safety Association (NHTSA) reports that 3,179 people were killed and 431,100 injured on U.S. roadways in 2014 because of distracted driving. Those figures are comparable to the two...
