2026-09-18T21:47:29Zhttps://dspace.mit.edu/server/oai/requestoai:dspace.mit.edu:1721.1/399422022-01-13T07:54:44Zcom_1721.1_7582com_1721.1_7581col_1721.1_131023
James Hamilton.
Machala, Laura Beth
Massachusetts Institute of Technology. Dept. of Urban Studies and Planning.
Massachusetts Institute of Technology. Department of Urban Studies and Planning
2008-01-10T16:05:10Z
2008-01-10T16:05:10Z
2007
2007
http://hdl.handle.net/1721.1/39942
182858122
Thesis (M.C.P.)--Massachusetts Institute of Technology, Dept. of Urban Studies and Planning, 2007.
Includes bibliographical references (p. 103-111).
As a result of air pollution created by the Central Artery/Tunnel Project (CA/T), aka "the Big Dig," transit and other air quality mitigation projects were incorporated into the State Implementation Plan (SIP). The SIP is mandated by the Clean Air Act (CAA) for areas that do not attain or need to maintain air quality above federally mandated levels. Originally, the transit commitments that were made to mitigate the effects of the Big Dig were located :in urban and suburban areas. However, while an urban/suburban balance was arguably intended in the SIP, over the years, the urban SIP commitments have been largely neglected. As a result, transit justice in Greater Boston has been negatively effected. If the SIP is truly meant to improve air quality, its focus should be on making cities more viable and healthy places to live and on curtailing sprawling suburban land use. Furthermore, SIP requirements should change to influence a more equitable distribution of transit investment in Boston and other metropolitan areas.
by Laura Beth Machala.
M.C.P.
120 p.
eng
Massachusetts Institute of Technology
M.I.T. theses are protected by copyright. They may be viewed from this source for any purpose, but reproduction or distribution in any format is prohibited without written permission. See provided URL for inquiries about permission.
http://dspace.mit.edu/handle/1721.1/7582
Urban Studies and Planning.
There's no justice in transit! : transit equity, land use, and air quality in Boston
There is no justice in transit! : transit equity, land use, and air quality in Boston
Thesis
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<Abstract>As a result of air pollution created by the Central Artery/Tunnel Project (CA/T), aka "the Big Dig," transit and other air quality mitigation projects were incorporated into the State Implementation Plan (SIP). The SIP is mandated by the Clean Air Act (CAA) for areas that do not attain or need to maintain air quality above federally mandated levels. Originally, the transit commitments that were made to mitigate the effects of the Big Dig were located :in urban and suburban areas. However, while an urban/suburban balance was arguably intended in the SIP, over the years, the urban SIP commitments have been largely neglected. As a result, transit justice in Greater Boston has been negatively effected. If the SIP is truly meant to improve air quality, its focus should be on making cities more viable and healthy places to live and on curtailing sprawling suburban land use. Furthermore, SIP requirements should change to influence a more equitable distribution of transit investment in Boston and other metropolitan areas.</Abstract>
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