Mass. Gen. Laws ch. 6C § 34
Prior to the final approval of a transportation infrastructure project, including mass transit expansion or the construction of new roadways with a projected capital cost of more than $15,000,000, and prior to expending any funds for the planning, design and construction of any such project, the secretary of transportation shall request that the administrator of the appropriate division of the Massachusetts Department of Transportation prepare a fiscal analysis, including life cycle costs, demonstrating that sufficient revenues exist or will be generated to operate and maintain in good repair a new transportation asset. This analysis shall be also be submitted to any advisory boards to the respective divisions of the Massachusetts Department of Transportation.
If a project for the expansion of mass transit has a projected total cost in excess of $200,000,000, the secretary of transportation shall submit the analysis to the secretary of administration and finance for a determination as to which costs, if any, will become part of the commonwealth's plan of capital expenditures.
Mass. Gen. Laws ch. 6C, § 34