South Carolina DOT requires two advanced warning arrow panels for each lane closure. An arrow panel is required at the beginning and end of each taper. … [Read more...] about Advanced warning arrow panels required for lane closure
Temporary Traffic Control
Indiana Lane Merge System
The Indiana Lane Merge (ILM) System is a new tool that was developed to remedy the safety and efficiency problems created by closing a lane on an interstate highway. The main problem addressed is a … [Read more...] about Indiana Lane Merge System
User’s Manual for QUEWZ-98
QUEWZ-98 is a microcomputer analysis tool for planning and scheduling use in freeway work zone lane closures. It analyzes traffic conditions on a freeway segment with and without a lane closure in … [Read more...] about User’s Manual for QUEWZ-98
Flow Characteristics at Freeway Work Zones and Increased Deterrent Zones
Traffic-flow characteristics were studied at two work zones on suburban freeways and at a third freeway site where a police patrol car, easily noticed by drivers, was parked on the right shoulder. The … [Read more...] about Flow Characteristics at Freeway Work Zones and Increased Deterrent Zones
Service Vehicle Lighting and Traffic Control Systems for Short-Term and Moving Operations
This project applied laboratory, test track, and highway field study to develop traffic control systems for short-term and moving maintenance operations. While the emphasis of this study was to test … [Read more...] about Service Vehicle Lighting and Traffic Control Systems for Short-Term and Moving Operations
Analysis of Crash Rates at Interstate Work Zones in Indiana
The aging Interstate system in the United States requires extensive rehabilitation and maintenance, which results in the closure of a significant portion of the system each year to accommodate work … [Read more...] about Analysis of Crash Rates at Interstate Work Zones in Indiana