Traffic Control Products

Article December 06, 2007
The I-279 Fort Pitt Bridge and Tunnel in the city of Pittsburgh is a major link in the transportation system for Allegheny County and western Pennsylvania. I-279, known locally as the Parkway West, connects downtown Pittsburgh with major routes west and south including I-79, U.S. 22-30, PA 60 and...
Article May 09, 2005
Will Rogers said, “Outside of traffic, there is nothing that has held this country back as much as committees.” While no one can put an end to committees, Broward County is doing its best to end traffic congestion. And the beginning of that end lies with the new Broward County Transportation...
Article January 01, 2005
The efforts of the Federal Highway Administration (FHWA) Office of Safety and Safety R&D Group has led to the posting of a Notice of Proposed Rulemaking (NPRM) in the Federal Register (Vol. 69, No. 146). This NPRM represents the culmination of many years of efforts to determine minimum levels...
Article January 16, 2004
The role of the Traffic Management Center (TMC) or Traffic Operations Center (TOC) has evolved from monitoring traffic and incidents and coordinating response to a much broader role in acting as an Emergency Management Agency Operations Center. TMCs addressed this role in the New York area and...
Article July 19, 2002
For workers in the transportation construction industry, going to work every day invites the potential for harm to themselves and others. In the year 2000, over 1,000 people lost their lives to traffic accidents in work zones. In a typical year, about 80% of those killed are motorists, but the list...
Temporary rumble strip
Case Studies
The Utah Department of Transportation (DOT) recently conducted a live test of PSS rumble strips on I-70 near Green River. This location was selected because of high average daily traffic (ADT) and drivers’ speeds. While the posted speed limit is 75 mph, drivers often exceeded the speed limit....
Temporary rumble strip
Case Studies
To reduce crashes, Kentucky Transportation Cabinet (KTC) engineers in District 8 recently installed RoadQuake 2 Temporary Rumble Strip arrays near Albany, Ky.   Albany is located in the southern part of the state, about 6 miles north of the Tennessee border. It is about 120 miles south of Lexington...
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