Reinventing the Urban Interstate: A New Paradigm for Multimodal Corridors (2011) / Chapter Skim
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Appendix E - Glossary of Terms
Appendix E - Glossary of Terms
Pages 146-148
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From page 146... ...
: The CBD is the central district of a city, usually typified by a concentration of retail and commercial buildings.1 Transit Mode Terminology: • Local Bus: The most common form of public transit in the United States, it is distinguished by single bus vehicles operating with a capacity of 35 to 50 seated passengers, operated along fixed routes, running in mixed-flow traffic along surface streets. Since they run in mixed traffic, buses are typically slower than other forms of transit, and because they follow fixed routes with frequent stops, they typically travel at slower speeds than auto traffic in the same corridor.
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From page 147... ...
: Light rail vehicles run singly or in short trains on tracks in a variety of right-of-way environments, including mixed-flow surface streets, dedicated lanes with grade crossings, and fully grade-separated dedicated facilities.2 Compared to BRT, LRT offers and requires more fixed capital investments and, as such, is thought to be more attractive to riders and developers.5 Another advantage of LRT, particularly in comparison to heavy or commuter rail, is its operating flexibility. LRT can operate in mixed traffic and exclusive rights-of-way conditions, all along the same line.2 This is important because many freeway right-of-ways do not penetrate downtown areas, and LRT can do so on city streets at a relatively low cost compared to heavy or commuter rail (see below)
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From page 148... ...
Where corridor market densities are lower, slower speeds are acceptable and diesel-pulled trains with lowlevel station platforms are frequently used.2 Commuter rail is generally thought to be financially infeasible for corridors with CBDs less than 50 million square feet. The CBD should have a pre-existing rail line serving it, and the service corridor residential densities should be no less than 1 to 2 dwelling units per acre2 with good transit and auto feeder access to corridor stations.
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Key Terms
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