Variable Message Signs & Over Height Vehicle Detectors for Tunnel System

Communication and Electronic Sign System Upgrades and Replacements along Interstates 90 & 93, and ramps which connect to the tunnel system in the City of Boston. This project consists of the replacement of 10 Variable Message Signs (VMS) and portal closure traffic signals. Replacement of 10 Over Height Vehicle Detectors (OHVD) and warning system. The work included the rehabilitation of existing LFC cabinets providing supervisory control and data acquisition SCADA inputs/outputs and communication links with the Highway Operation Center.

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