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| | ASEC Corporation - Central Artery |
 | | Permits were required from the Massachusetts Bay Transportation Authority, AMTRAK, the Consolidated Rail Corporation (now CSX), Bay Colony Railroad, and the Massachusetts Turnpike Authority. |
 | | This complex project consisted of a portion of the design of the interchange between the proposed Central Artery and the proposed Route I-90 extension and is generally situated between the MBTA's South Station Terminal, the existing Central Artery, West Fourth Street and Dorchester Avenue. |
 | | The field work within the railroad facilities included detail locations of tracks, bridge components and critical utilities, the determination of bridge clearances, and providing profiles and cross sections including rails, and the field layout for borings. |
| www.aseccorp.com /centralartery.htm (431 words) |
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