A SNAPSHOT OF SUMMER 2001 WORK ZONE ACTIVITY

Based on Information Reported on State Road Closure and Construction Websites

FINAL REPORT

Prepared for:
Federal Highway Administration
U.S. Department of Transportation

February 2003

Table of Contents

1.	EXECUTIVE SUMMARY
2.	INTRODUCTION
3.	DATA COLLECTION
	3.1 METHODS
	3.2 OTHER WEB RESOURCES FOR WORK ZONE INFORMATION
4.	ANALYSIS OF WORK ZONE ATTRIBUTES
	4.1 LENGTH OF WORK ZONES
	4.2 WORK ZONE/PROJECT DURATION
	4.3 HOURS OF ACTIVITY OR LANE CLOSURES
	4.4 DELAY IMPACTS ESTIMATION
	4.5 CONSTRUCTION/MAINTENANCE PROJECT PURPOSE
	4.6 CHARACTERISTICS OF WORK ZONES BY PROJECT PURPOSE
	4.7 ESTIMATING PERCENT OF NHS WITH WORK ZONES
	4.8 CAPACITY IMPACTS ESTIMATION
5.	IMPLICATIONS AND CONCLUSIONS

Authors

Dr. Karl Wunderlich, Senior Principal Analyst, kwunderl@mitretek.org, (202) 488-5707

Dawn Hardesty, Senior Systems Engineer, dhardesty@mitretek.org, (202) 862-3648

EDL #13793