North Carolina has used solar powered portable traffic lights in place of flaggers for a roadway construction project in Raleigh. Instead of three flagmen, there is one light operator who watches the … [Read more...] about Portable Traffic Lights Make Work Zone Traffic Safer
Traffic Signals
Guidelines for the Use of Portable Traffic Signals in Rural Two-Lane Maintenance Operations
The purpose of this report is to provide guidelines for the application of portable traffic signals in short-term, routine maintenance projects on rural two-lane highways in Texas. This guidebook … [Read more...] about Guidelines for the Use of Portable Traffic Signals in Rural Two-Lane Maintenance Operations
The SQ2 System
Portable Traffic Signals
Feasibility of Portable Traffic Signals to Replace Flaggers in Maintenance Operations
The purpose of the research project was to explore the use of portable traffic signal technology as a means for improving the efficiency of two-lane rural maintenance operations. The research findings … [Read more...] about Feasibility of Portable Traffic Signals to Replace Flaggers in Maintenance Operations
Traffic management techniques (beyond the MUTCD) used to reduce delay in work zones
In Texas, portable trailer-mounted closed circuit television (CCTV), portable changeable message signs (CMS), portable highway advisory radio (HAR), and portable traffic signals are used to reduce … [Read more...] about Traffic management techniques (beyond the MUTCD) used to reduce delay in work zones