In Georgia, the cost to install 147 cellular/solar powered call boxes, connect them to an emergency call center, and provide agency training was estimated at $911,873.
A maintenance contract was signed requiring the contractor to maintain the call box and computer systems for 2 years after system acceptance. The contract also called for repair or replacement of equipment at no cost to the Georgia DOT and preventative maintenance be performed on each call box twice a year. The 2-year maintenance contract cost $102,900. Cellular communication with all of the call boxes was provided at a cost of $77,616 for two years.
Kolb, Stephanie, et al, "Georgia’s Call Box Project: Evaluation and Future Deployment Recommendation," paper presented at the 11th Annual Meeting of the Intelligent Transportation Society of America, June 2001.
Evaluation of Georgia's Emergency Motorist Aid Call Box Pilot Project
Author: Kolb, Stephanie L., and Elizabeth N. Williams (Transcore), and Karl R. Alff, PE (Georgia DOT)
Published By: Paper presented at the 10th Annual ITS America Meeting, Boston, Massachusetts
Source Date: May 2000
Average cost per call box including construction: $5,590 (1999).
Annual O&M breakdown: Maintenance cost for one year: $51,450 (1999).
Annual cellular service cost: $38,808 (1999).
Average User Rating
road monitoring, call box