new technology feeder systems
DESCRIPTION
New Technology Feeder Systems. Advanced Transit Association Seminar May 4-5, 2007 West Virginia University Morgantown, W V Robert Johnson R. E. Johnson Consulting Rockville, Maryland www.autoroadvehicles.com. New Technology for Small People Movers. Electronics replace mechanical parts - PowerPoint PPT PresentationTRANSCRIPT
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New Technology Feeder Systems
Advanced Transit Association Seminar
May 4-5, 2007
West Virginia University
Morgantown, W V
Robert Johnson
R. E. Johnson ConsultingRockville, Maryland
www.autoroadvehicles.com
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New Technology for Small People Movers
• Electronics replace mechanical parts
• Lateral control: steers like a car
• On-board power supply, usually batteries
• Guideway is just exclusive, light duty road
• Often called Automated Road Vehicles
• New technology may not always be best (wide guideway, snow removal issues)
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Examples of New Technology Vehicles
• ParkShuttle Minibus
• ULTra Personal Rapid Transit
• CyberCab PRT/Microbus
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ParkShuttle Minibus
• Has carried the public on one-mile route near Rotterdam
• 20-25 passengers
• 20 mph (32 kph)
• lead-acid batteries, recharges in off-peak
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ULTra Personal Rapid Transit Vehicle
• Scheduled to begin service at Heathrow airport, London in 2008
• Four passengers
• 25 mph (40 kph)
• Battery powered
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CyberCab PRT/Microbus
• Designed by same company that developed the ParkShuttle
• 6 passengers
• 25 mph (32 kph)
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Proposed Interior Showing Two Fold-Down Seats
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At-Grade Exclusive Roadway
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ULTra One-Way Elevated Guideway
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Tunnel Under Cross Street
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Principles of Operation
• Shared service, not private
• Minimum headway: 5-10 seconds
• Maximum grade: 10 %
• Low interior headroom means all seated, but acceleration and jerk limits set for standees
– Wheelchairs not secured
– Can’t be sure all passengers are seated
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Two-Way Guideways
• Other lane is emergency walkway
• Two-way is not twice as expensive
• Direct routes reduce vehicle miles
• Easier to put two-way guideway at grade; must have grade separation to allow access to area within a one-way loop
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End-of-Line Station
Vehicles back out of berths into turn-around area
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Guideway Routing
• Place guideways at grade whenever possible
• Stations at grade eliminate elevator costs
• Run guideways behind buildings, not in front
• If possible, guideways should cross streets, not run along them
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Layout of Feeder Systems for the Morgantown PRT
• All are a single two-way line, no branches
• Most have stations at end points only
• One system also has a center platform station along the line
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Four possible feeder systems for the Morgantown PRT
Feeder System Name To/From
PRT Station
Other End Point Length
miles (km)
Research Park Extension Medical Near Mon
General Hospital
1.24 (2.00)
Towers Feeder Towers Near PierpontApartments
0.42 (0.68)
Coliseum Connector Engineering Coliseum
Parking Lot
0.43 (0.69)
Sunnyside Line New, between4th and 5th
streets
Near AugustaApartments
0.84 (1.35)
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Research Park Extension
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Sunnyside Line - Detail
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Operating Parameters
Feeder SystemName
To/From
PRT Station
One-way trip time inminutes from PRTStation *
Fleet size if peak is1000 pass/hr/dir *
(based on 5 pass /veh; no spares)
Research ParkExtension
Medical 3.2 29
Towers Feeder Towers 1.2 15
ColiseumConnector
Engineering 1.5 17
Sunnyside Line New, between 4th
and 5th streets2.0 to center
platform station
3.3 to end
26
* Based on maximum speed of 25 mph (40 kph)
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Approximate Unit Capital Costs
• Two-way elevated guideway: $10M / mile, not strongly dependent on vehicle weight
• Two-way at-grade: $1.5M - 3M / mile + land
• 6-passenger vehicles: $150K - 200K
• 20-passenger vehicles: $500K
• Central control: $200K ? per system, but some savings if multiple systems
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Additional Data Needed for System Costs
• Unit capital costs for stations
• Site specific construction costs
• Unit operating costs for vehicles
• Other O & M costs
• Operating policy, for example maximum wait time in the off peak
• Patronage
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Benefits
• Student / Faculty / Staff mobility
• Removing cars from streets improves traffic flow for all drivers
• Reduced need for expensive parking structures
• Increased value of land near stations
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For more information on Automated Road Vehicles
please see:
www.autoroadvehicles.com