Work-Zone Speed Enforcement

PennDOT added RAPTOR Rumble Strip Handling Machine to its fleet of equipment
Case Studies March 21, 2019
Regardless of the warning signs, lights and other signals for a change in traffic patterns, accidents are still happening in our work zones. In 2017 alone, the Pennsylvania Crash Facts and Statistics recorded a total of 1,778 crashes in these areas, 43% of which resulted in injuries or fatalities....
RoadQuake TPRS deployed in work zones reduce crashes and save lives

RoadQuake TPRS deployed in work zones reduce crashes and save lives

Case Studies August 31, 2018
On February 8, 2017, KTVN TV reported a fatal work-zone crash:   “…a 2006 black Freightliner semi was traveling southbound where it was approaching traffic being halted by a flagger in a construction zone. [Nevada Highway Patrol] says a 2000 red Ford F-150, 2015 white Toyota 4Runner, and 2007 beige...
The rumble strips were set out in a dual three-strip array.

The rumble strips were set out in a dual three-strip array.

Case Studies August 25, 2017
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...
IDOT TRS developmental layout specification (as shown as Figure 4 in the Report).

IDOT TRS developmental layout specification (as shown as Figure 4 in the Report).

Case Studies June 30, 2017
The Center for Transportation Research and Education (CTRE) at Iowa State University develops methods and technologies to improve transportation safety and reliability.   Last month, CTRE issued a Final Report titled “Field Measurements on the Effect of Temporary Rumble Strips in Work Zone Flagging...
Article June 09, 2015
Mobile work zones are used for many road-maintenance operations such as roadway striping, sweeping and minor pothole repair.   The Manual on Uniform Traffic Control Devices (MUTCD) includes some guidance for the layout of mobile work zones. A typical layout involves the use of shadow vehicles,...
News November 11, 2011
Sensors on some Colorado roads are equipped to detect ice, water and temperature to provide the most up-to-the-minute information for road crews, according to Coloradoan.com.   The sensors, installed on I-25, help save money by helping road crews decide when and where and whether to lay down liquid...
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