Transit Projects

Columbia Junction Signal Replacement Project


The MBTA Board of Directors awarded MBTA Contract Q40CN01 entitled “Columbia Junction Signal Replacement Project” to Barletta-Fischbach Joint Venture in the amount of $42,980,000.00. The Authority issued a Notice to Proceed on December 21, 2011.

The Columbia Junction Signal Replacement Project is a thirty (30) month program (780 Days) that will consist of the following: Replacement of the wayside signal equipment, track turnouts and ties for the interlocking system between Andrew and North Quincy on the Braintree and Field Corner on the Dorchester lines. Install and place in service a new cable trough / raceway system within those boundaries, install and commission a new central terminal house (CIH) which will interface with the existing CIHs and the new wayside equipment to include the installation of fiber cable throughout the limits of this project.

This project will consist of night work; however, the majority of the work will be performed during pre-approved revenue service diversions (weekend shutdowns). At this time, there are thirty seven (37) revenue service diversions planned for the Columbia Junction Signal Replacement Project beginning March 2012 through to project completion June 2014. During the planned revenue service diversions, the MBTA will be provide bussing services to accommodate all passengers between Andrew Station and North Quincy Station on the Braintree line and Field Corner on the Dorchester line.