MAP-21 Reauthorization Act

[AI summary unavailable — showing source text] MAP-21 Reauthorization Act - Authorizes appropriations out of the Highway Trust Fund (HTF) (other than the Mass Transit Account) for FY2015-FY2020 for: (1) certain core federal-aid highway programs, and (2) Federal Highway Administration (FHWA) administrative expenses. Prescribes obligation ceilings for certain federal-aid highway and highway safety construction programs. Makes eligible for the national highway performance program any projects for replacement or rehabilitation of bridges on federal-aid highways. Extends through FY2020 funding for highway use tax evasion projects. Prescribes requirements to allow a state to bundle two or more similar projects for the replacement or repair of structurally deficient bridge projects. Requires each contractor and subcontractor who contracts for a bridge construction, replacement, or repair project to be certified as meeting certain eligibility requirements. Revises formulae for certain allocations of funds to states for construction of ferry boats and ferry terminal facilities. Makes certain funds available for the National Ferry Database. Revises congestion mitigation and air quality improvement (CMAQ) program requirements. Requires st…