This report documents research conducted in the evaluation of flashing arrowboards when located in advance of lane closure work zones. The effects of supplemental arrowboard placement were compared to … [Read more...] about Field Evaluation of Flashing Arrowboards at Freeway Work Zones
Texas Transportation Institute
Review of Work Zone Safety Programs in Selected States
This report documents a nationwide survey conducted to evaluate various states' work zone traffic safety programs established in response to FHPM 6-4-2-12. The survey was sponsored by the Texas State … [Read more...] about Review of Work Zone Safety Programs in Selected States
Traffic Capacity Through Work Zones on Urban Freeways
The report summarizes findings of capacity studies conducted at urban freeway maintenance and construction work zones in Houston and Dallas. Studies were conducted on 5-, 4-, and 3-lane freeway … [Read more...] about Traffic Capacity Through Work Zones on Urban Freeways
Traffic Control at the I-10 Reconstruction Work Zone in Chambers County, Texas
Studies were conducted at a major maintenance work zone on a rural Interstate highway in Texas to evaluate the use of Highway Advisory Radio (HAR) for work zone traffic management. The studies … [Read more...] about Traffic Control at the I-10 Reconstruction Work Zone in Chambers County, Texas
Improved Traffic Control at Complex Work Zones
Researchers at the Texas Transportation Institute (TTI) and at the Center for Transportation Research (CTR) have developed recommendations to help establish and maintain complex work zones to reduce … [Read more...] about Improved Traffic Control at Complex Work Zones
Speed Advisory System
The primary objective of this evaluation was to assess the long-term effectiveness of speed monitoring displays (SMDs) in long-term work zones on rural interstate highways. To achieve this goal, three … [Read more...] about Speed Advisory System