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Capital Investment Requirements:
Transit

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This report uses combinations of four scenarios to estimate capital investment requirements for the Nation’s transit systems over the period 1998-2017. The Maintain Conditions scenario invests in transit capital in order to maintain average asset conditions over the 20-year period. The Improve Conditions scenario makes addi-tional investments in order to bring the average condition for each major asset type up to at least a level of “good.” The Maintain Performance scenario adds new transit capacity in order to maintain current vehicle usage levels as transit passenger travel increases. The Improve Performance scenario makes additional improvements to improve the quality of service provided by reducing headways and/or increasing coverage.

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The average annual investment required under the Cost to Maintain Conditions and Performance is $10.8 billion in 1997 dollars. The average annual Cost to Improve Conditions and Performance is $16.0 billion.

Sixty-five percent of investment under the Maintain Conditions and Performance scenario is in Rehabilitation and Replacement. Fifty-four percent of investment under the Improve Conditions and Performance scenario is devoted to Rehabilitation and Replacement, while the remainder is split between Asset Expansion and Performance Improvements.

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The greatest investment requirements are for vehicles and for guideway elements, such as tracks, tunnels, and bridges. Vehicles are the largest expense under the Maintain Conditions and Performance scenario, while guideway elements are the largest expenditure under the Improve Conditions and Performance Scenario.

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