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Tappan Zee Bridge/I-287 Environmental Review

Transit Modes

Bus Rapid Transit (BRT)

- Top Speed: 65 mph
- Weight: 12.5 - 17.5 tons
- Station Spacing: short to long

Bus Rapid Transit
Technology Options Applications Examples
Articulated Bus: Long bus, two bodies connected by a joint, allows higher capacity.
Hybrid Electric: Dual-propulsion vehicle with electric motor powered by batteries and diesel.
Trolley Bus: Guided busway propelled by electric motor.
Used for all types of services: Short-haul to regional and local to express. Operates on exclusive lanes, HOV lanes, expressways or ordinary streets. Pittsburgh Bus Transit
Metro-Rapid, LA MTA
Silverline, MBTA Boston
Curitiba, Brazil
Seattle Bus Tunnel

Commuter Rail Transit (CRT)

- Top Speed: 100 mph
- Weight: 46 - 75 tons
- Gauge: 4 feet 8.5 inches
- Station Spacing: long

Commuter Rail Transit
Technology Options Applications
Diesel Locomotive
Electric Locomotive
Dual Propulsion
Bi-level coach
Long-distance commute trips to core city. Typically serves major terminal in Central Business District. Utilizes existing railroad infrastructure shared with freight.

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