Automated flagger assistance devices (AFADs) are designed to improve worker safety by replacing flaggers who are typically located near traffic approaching a work zone. In this study, a new AFAD … [Read more...] about Evaluation of Automated Flagger Assistance Devices
Field Tests
Validating the Performance of the FHWA Work Zone Model Version 1.0: A Case Study Along I-91 in Springfield, Massachusetts
Central to the effective design of work zones is being able to understand how drivers behave as they approach and enter a work zone area. States use simulation tools in modeling freeway work zones to … [Read more...] about Validating the Performance of the FHWA Work Zone Model Version 1.0: A Case Study Along I-91 in Springfield, Massachusetts
Evaluation of Automated Flagger Assistance Devices: Interim Report
Flagger safety is an important issue in work zones due to the proximity of the flagger to traffic. Some strategies for improving flagger safety include slowing down approaching vehicles or removing … [Read more...] about Evaluation of Automated Flagger Assistance Devices: Interim Report
Field Performance Evaluation Results of Flashing Arrow Panels (Arrowboards) & Portable Changeable Message Signs (PCMS)
Eleven signs were submitted for the 2008 National Transportation Product Evaluation Program (NTPEP) evaluations: four full size Portable Changeable Message Signs (PCMSs), three medium size PCMSs and … [Read more...] about Field Performance Evaluation Results of Flashing Arrow Panels (Arrowboards) & Portable Changeable Message Signs (PCMS)