The Big Dig's Zakim Bunker Hill Bridge over the Charles River.

Boston Transportation Planning Review (BTPR) is a transportation planning program for metropolitan Boston, United States which was responsible for analyzing and re-designing the entire area-wide transit and highway system in the 1970s. The major contractors involved were Alan M. Voorhees Company (Virginia), project manager; Skidmore, Owings and Merrill (New York), architect; ESL Incorporated (California), air quality and acoustics. The program had close guidance from the national Transportation Research Board (TRB), a division of the U.S. National Academy of Sciences^[1]. The first director of the program reporting to the Governor was Alan Altshuler; the project manager was Walter Hansen. View of Bostons Big Dig from the air. ... View of Bostons Big Dig from the air. ... Big Dig is the unofficial name of the Central Artery/Tunnel Project (CA/T), a megaproject to reroute the Central Artery (Interstate 93), the chief controlled-access highway through the heart of Boston, Massachusetts, into a 3. ... Leonard P. Zakim Bridge TD Banknorth Garden and Zakim Bunker Hill Bridge in Boston On the Zakim Bunker Hill Bridge, travelling southbound The Leonard P. Zakim Bunker Hill Memorial Bridge in Boston, Massachusetts is the widest cable-stayed bridge built prior to 2003. ... The Charles River from the Boston side, facing Cambridge and the main campus of Harvard University. ... Boston is a town and small port c. ... Alan Manners Voorhees (December 17, 1922–December 18, 2005) was an engineer and urban planner who designed many large public works in the United States. ... This article does not cite its references or sources. ... Shaklee Terraces, San Francisco, designed in 1982 with a flush aluminum facade and rounded corners. ... Official language(s) English de facto Capital Albany Largest city New York City Area  Ranked 27th  - Total 54,520 sq mi (141,205 km²)  - Width 285 miles (455 km)  - Length 330 miles (530 km)  - % water 13. ... Official language(s) English Capital Sacramento Largest city Los Angeles Area  Ranked 3rd  - Total 158,302 sq mi (410,000 km²)  - Width 250 miles (400 km)  - Length 770 miles (1,240 km)  - % water 4. ... The Air Quality Index (AQI) is a standardized index of the air quality in a given location, given in parts per billion. ... Noise pollution is unwanted human-created sound that disrupts the environment. ... The Transportation Research Board (TRB) is a division of the National Research Council, which serves as an independent adviser to the federal government and others on scientific and technical questions of national importance. ... President Harding and the National Academy of Sciences at the White House, Washington, DC, April 1921 The National Academy of Sciences (NAS) is a corporation in the United States whose members serve pro bono as advisers to the nation on science, engineering, and medicine. ...

Comprehensive re-evaluation of areawide transportation plans was a major theme in the last quarter of the twentieth century for large U.S. cities. The U.S. Department of Transportation has said "the prototype for these reevaluations was the Boston Transportation Planning Review"[1]. Scope of the BTPR studies included evaluation and upgrading of all four MBTA mass transit rail lines and examination of every major highway and arterial project in the region. The United States Department of Transportation (DOT) is a Cabinet department of the United States government concerned with transport. ... The Massachusetts Bay Transportation Authority (MBTA) is a quasi-governmental organization formed in 1964 that controls the subway, bus, commuter rail, and ferry systems in the Boston, Massachusetts area. ... In the United States of America, transit describes local area common carrier passenger transportation configured to provide scheduled service on fixed routes on a non-reservation basis. ... Rail can mean: Rail tracks, see also third rail Rail transport A Railroad-related periodical For the group of birds called rails, see Rallidae For the Mayfair Games board games, see Crayon Rails For rail in electronics, see . ...

Major elements

Downtown Boston from Boston Harbor

The following exemplify some of the principal study elements of the Boston Transportation Planning Review: Image File history File linksMetadata Download high-resolution version (2157x870, 188 KB) Summary Licensing File links The following pages on the English Wikipedia link to this file (pages on other projects are not listed): Boston, Massachusetts Port of Boston Metadata This file contains additional information, probably added from the digital... Image File history File linksMetadata Download high-resolution version (2157x870, 188 KB) Summary Licensing File links The following pages on the English Wikipedia link to this file (pages on other projects are not listed): Boston, Massachusetts Port of Boston Metadata This file contains additional information, probably added from the digital...

• Conceptual design of the Orange Line, mass transit rail service to the south and west.
• Expansion plans for the Red Line Braintree and Northwest extensions.
• Moratorium on expressway construction inside of Route 128 for the decade.
• First concept of depressing the Central Artery^[2][3], leading to the Big Dig^[4].
• Upgrading of Massachusetts Route 1A from Boston to Salem.

The Orange Line is one of the four subway lines of the MBTA. It extends from Forest Hills in Jamaica Plain, Boston in the south to Oak Grove in Malden, Massachusetts in the north. ... In the United States of America, transit describes local area common carrier passenger transportation configured to provide scheduled service on fixed routes on a non-reservation basis. ... View of Boston from the Red Line An MBTA Red Line train leaving Charles/MGH station bound for Alewife. ... There are several places named Braintree, or a variant thereof:- Braintree, Essex - a town in the county of Essex, in the United Kingdom The town gives its name to the constituency of Braintree. ... In law, a moratorium (from Latin morari, to delay) is a legal authorization postponing for a specified time the payment of debts or obligations. ... An expressway is a divided highway, usually 4 lanes or wider. ... Route 128 is a ring highway with Boston at its center and surrounded by the concentric Interstate 495. ... The Central Artery, officially the John F. Fitzgerald Expressway, is a section of freeway in downtown Boston, Massachusetts, designated as Interstate 93, U.S. Highway 1 and Route 3. ... Big Dig is the unofficial name of the Central Artery/Tunnel Project (CA/T), a megaproject to reroute the Central Artery (Interstate 93), the chief controlled-access highway through the heart of Boston, Massachusetts, into a 3. ... Massachusetts State Highway 1A consists of four alternate routes to U.S. Highway 1. ... Boston is a town and small port c. ... The word Salem can have many meanings. ...

Technologies applied

Blue Line train at the rebuilt Logan Airport station.

The following major technologies were utilized in the BTPR: Image File history File links en: Description: A train of Bostons Blue Line at Airport station Author: JosephBarillari Date: 2005 License: GFDL de: Beschreibung: Ein Zug der Blue Line (Blaue Linie) im Flughafen Bahnhof in Boston Autor: JosephBarillari Datum: 2005 Lizenz: GFDL File links The following pages link to... Image File history File links en: Description: A train of Bostons Blue Line at Airport station Author: JosephBarillari Date: 2005 License: GFDL de: Beschreibung: Ein Zug der Blue Line (Blaue Linie) im Flughafen Bahnhof in Boston Autor: JosephBarillari Datum: 2005 Lizenz: GFDL File links The following pages link to... A Blue Line train at the recently rebuilt Logan Airport station. ... The New Airport Station, January 2005 The new Airport Station on the Boston subways Blue Line provides a mass transit connection to Logan International Airport (BOS). ...

• Critical path work element diagrams to assist project management (Voorhees)
• Citywide traffic flow analysis including intersection level of service (Voorhees)
• Urban design of all physical structures and highway geometrics including neighborhood visual impacts (Skidmore, Owings and Merrill)
• Hydrology Impact Analysis to surface waters and groundwater affected by transit and roadway construction.
• Air quality and noise contour maps for all transportation alternatives^[5] (ESL)
• Wildlife and vegetation impact analysis for all alternatives^[6].

In project management, a critical path is the sequence of project network terminal elements with the longest overall duration, determining the shortest time to complete the project. ... Interstate 80, a freeway in California with many lanes and heavy traffic. ... Level of service is a measure by which transportation planners reckon the quality of service on transportation devices, or transportation infrastructure, generally linked to transportation time (the shorter, the better) and thus to speed. ... Urban design concerns the arrangement, appearance and functionality of towns and cities. ... Highway in Pennsylvania, USA The Pan-American Highway, in the Peruvian town of Máncora, where it serves as the main street. ... Water covers 70% of the Earths surface. ... Groundwater is water located beneath the ground surface in soil pore spaces and in the fractures of geologic formations. ... The word transit, when used alone, has several possible meanings in English means of transport, including mass transit, rapid transit, public transit, public transport Further information: transit (transportation) in astronomy an event involving two bodies along the same line of sight Further information: astronomical transit in navigational position lines when... This page is related to transport; you may be looking for the 2002 Bollywood movie Road. ... Roadway air dispersion is applied to highway segments Roadway air dispersion modeling is the study of air pollutant transport from a roadway or other linear emitter. ... North-South Expressway in Malaysia; a roadway can be considered as a line source of air and noise pollution and need not be a straight line. ... Example of a topographic map with contour lines Topographic maps, also called contour maps, topo maps or topo quads (for quadrangles), are maps that show topography, or land contours, by means of contour lines. ... Various species of deer are commonly seen wildlife across the Americas and Eurasia. ... Vegetation is a general term for the plant life of a region; it refers to the ground cover provided by plants, and is, by far, the most abundant biotic element of the biosphere. ...

References

Longfellow Bridge across the Charles River, with two MBTA Red Line trains.

Download high resolution version (480x640, 41 KB)I took these photos, February 2002 File history Legend: (cur) = this is the current file, (del) = delete this old version, (rev) = revert to this old version. ... Download high resolution version (480x640, 41 KB)I took these photos, February 2002 File history Legend: (cur) = this is the current file, (del) = delete this old version, (rev) = revert to this old version. ... The Charles River from the Boston side, facing Cambridge and the main campus of Harvard University. ... The Massachusetts Bay Transportation Authority (MBTA) is a body politic and corporate, and a political subdivision of the Commonwealth of Massachusetts [1] formed in 1964 to finance and operate most bus, subway, commuter rail and ferry systems in the greater Boston, Massachusetts, USA area. ... View of Boston from the Red Line An MBTA Red Line train leaving Charles/MGH station bound for Alewife. ... Boston is a town and small port c. ... Mapúa Institute of Technology (MIT, MapúaTech or simply Mapúa) is a private, non-sectarian, Filipino tertiary institute located in Intramuros, Manila. ...

See also

• Megaproject
• Public transport

Definition of Megaproject Megaprojects (sometimes also spelled mega projects) are very large investment projects. ... Skytrain Bangkok. ...

External links

• BTPR Mission Statement
• Profile of first BTPR dierector