美国养护工区特征分析

work zone monitoring. Such an effort will make national work zone activity monitoring cheaper, more accurate and more valuable.

ACKNOWLEGEMENTS

The authors wish to acknowledge numerous colleagues for their contributions to this study: Tracy Scriba and Scott Battles (Office of Operations, Work Zone Integrated

Product Team) the sponsors of this work at FHWA for their comments and support. Phil Ditzler (FHWA), for his help initiating and developing the snapshot study concept.

Colleagues at Mitretek who contributed to the studies: James Larkin, Donald Roberts and Michael McGurrin.

REFERENCES

1.A Snapshot of Summer 2001 Work Zone Activity Reported on State Road Closure and

Construction Websites, Wunderlich, K. and Hardesty D., FHWA Electronic

Document Library (), #13739, February 2003.

2.A Snapshot of Work Zone Activity Reported on State Road Closure and Construction

Websites, Winter 2002, (July 2002) to appear on FHWA Electronic Document

Library.

3.A Snapshot of Work Zone Activity Reported on State Road Closure and Construction

Websites, Summer 2002, (December 2002) to appear on FHWA Electronic Document Library.

4.A Snapshot of Work Zone Activity Reported on State Road Closure and Construction

Websites, Winter 2003, (May 2003) to appear on FHWA Electronic Document

Library.

5.A Snapshot of Work Zone Activity Reported on State Road Closure and Construction

Websites, Summer 2003, (December 2003) to appear on FHWA Electronic Document Library.

6.Temporary Losses of Highway Capacity and Impacts on Performance, Chin, S.M. et

al., (), May 2002.

7.A Review and Analysis of the Rand McNally Construction Website for Utilization in

Developing National Statistics on Work Zone Activity, February 2004, to appear on FHWA Electronic Document Library.

8.Guidelines for Posting Web Based Work Zone Information: Performance

Measurement Needs, March 2004, to appear on FHWA Electronic Document Library.

9.Work Zone Exposure and Safety Assessment, Ullman, G., Holick, A., and Turner, S.

prepared for FHWA, June 2003.