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Transportation Improvement Program (TIP) – Overview
OVERVIEW • INTERACTIVE DATABASE • DEVELOPMENT PROCESS: HIGHWAY
INITIATION AND DEVELOPMENT • PROJECT EVALUATION • AIR QUALITY CONFORMITY
AMERICAN RECOVERY AND REINVESTMENT ACT
The Boston Region MPO adopted the federal fiscal years (FFYs) 2010–2013 Transportation Improvement Program on September 24, 2009. The MPO adopted amendments to the 2010 element of the TIP on November 19, 2009 and January 7, 2010 to include projects funded with American Recovery and Reinvestment Act funds.

The Transportation Improvement Program and Air Quality Conformity Determination (TIP) is an intermodal program of transportation improvements produced annually by
the MPO.

The TIP serves as the implementation arm of the MPO´s long-range Transportation Plan by incrementally programming funding for improvements over a four-year period. It programs federal-aid funds for transit projects, and state and federal-aid funds for roadway projects. The TIP is financially constrained: the MPO can only include projects for which funds are expected to be available.

The TIP document includes a summary of the TIP evaluation process, chapters detailing projects programmed in each federal fiscal year, the region´s air quality conformity determination, the status of the previous fiscal year´s projects, a listing of the universe of projects from which the programmed projects were chosen, and the MPO´s process for collecting information on projects and evaluating them. The information for each project may be viewed in an interactive database.

An MPO-endorsed TIP is incorporated into the State Transportation Improvement Program (STIP), which is distributed to the Federal Highway Administration, Federal Transit Administration, and Environmental Protection Agency for certification before the end of each federal fiscal year (September 30).