Mobile road works on highway hard shoulder lanes are usually protected against on-coming traffic by protective vehicles equipped with a mobile warning trailer. The service staff operating the … [Read more...] about aFAS – How to Get a Driverless Prototype on the Road?
Maintenance Equipment
Field Evaluation of Pilot Vehicles and Portable Traffic Control Signals With and Without a Flagger
The national Manual on Uniform Traffic Control Devices (MUTCD) does not prohibit the use of a pilot vehicle in conjunction with portable traffic control signals (PTCSs), but it does require that a … [Read more...] about Field Evaluation of Pilot Vehicles and Portable Traffic Control Signals With and Without a Flagger
Shadow Stretching: New Attenuator Research Adjusts to Heavier Traffic
This article highlights the potential challenges of safely protecting work operations with shadow vehicles on high-speed facilities serving significant numbers of large trucks. It illustrates the … [Read more...] about Shadow Stretching: New Attenuator Research Adjusts to Heavier Traffic
Model Development for Use of Portable Traffic Signals in Conjunction with Pilot Car Operations at Two-Lane, Two-Way Rural Highway Work Zones
A portable traffic signal (PTS) system is a traffic control device designed to facilitate the movement of one-way traffic at work zones where there is a temporary lane closure. The 2009 edition of the … [Read more...] about Model Development for Use of Portable Traffic Signals in Conjunction with Pilot Car Operations at Two-Lane, Two-Way Rural Highway Work Zones
Portable Traffic Signals in Conjunction with Pilot Car Operations at Two-Lane, Two-Way Rural Highway Work Zones
A portable traffic signal (PTS) system is designed to move traffic through two-way rural highway work zones with one lane open to traffic. The primary objective of this study was to evaluate the use … [Read more...] about Portable Traffic Signals in Conjunction with Pilot Car Operations at Two-Lane, Two-Way Rural Highway Work Zones
Evaluation of Temporary Traffic Signals in Conjunction with Pilot Car Operations at Two-Way Long Temporary Work Zones
The primary objective of this study was to evaluate the use of Portable Traffic Signal (PTS) systems at long, rural two-lane work zones and to compare three different conditions for controlling … [Read more...] about Evaluation of Temporary Traffic Signals in Conjunction with Pilot Car Operations at Two-Way Long Temporary Work Zones