The cost to implement and operate a dynamic lane merge system for 11 weeks was estimated at $57,108.

Case study of wok zone ITS applications in Kalamazoo, Michigan

September 2007
Kalamazoo,Michigan,United States

Summary Information

This study tested the use of a dynamic late lane merge system installed at three work zones on I-94 and I-64 in Michigan during the 2006 construction season (July 17, 2006 through October 9, 2006). The system used microwave traffic sensors, a master controller with wireless communications, and a series of portable dynamic message signs (DMS) to advise drivers of definite merge points when average traffic speeds dropped below pre-set threshold levels.

Cost data collected as part of an economic analysis used to assess the economic viability of the system are shown below.

Unit Cost
DLMS (furnished)
DLMS (operated)
Portable DMS with wireless communications (furnished)
Portable DMS with wireless communications (operated)

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Evaluation of the Dynamic Late Lane Merge System at Freeway Construction Work Zones: Final Report

Author: Datta, Tapa; Catherine Hartner; and Lia Grillo

Published By: Michigan DOT

Prepared by Wayne State University for the Michigan DOT

Source Date: September 2007

Other Reference Number: Report No. RC-1500


System Cost

DLMS with 4 DMS (capital costs): $54,872.
DLMS with 4 DMS (operating costs): $2,236.


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Related Unit Cost Subsystems

Roadside Information (RS-I)


smart work zone systems, smart work zone, smart work zones, Smart work zones, workzone, WZ

Cost ID: 2013-00293