historic preservation of the dinky in both function and form
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Historic Preservation of the Dinky in both Function and Form. Alain L. Kornhauser, PhD Professor, Operations Research & Financial Engineering Director, Program in Transportation Faculty Advisor, Princeton Autonomous Vehicle Engineering (PAVE) Founder, ALK Technologies, Inc. - PowerPoint PPT PresentationTRANSCRIPT
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Alain L. Kornhauser, PhDProfessor, Operations Research & Financial Engineering
Director, Program in TransportationFaculty Advisor, Princeton Autonomous Vehicle Engineering (PAVE)
Founder, ALK Technologies, Inc.
Chairman, Advanced TRansit Association (ATRA)and
Vice Chairman, New Jersey Commission on Science and Technology (inactive)
Historic Preservation of the Dinky in both
Function and Form
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Purpose of Historical Preservation
• Preserve the Function and Form of Historically Important elements of the Built Environment.
• Dinky: – Functioning since 1865– Current Form since about 1915– Station moved in about 1986 to current location
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Purpose of Historical Preservation
• Preserve the Function and Form of Historically Important elements of the Built Environment.
• Dinky: – Functioning since 1865
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Function Endangered?
Only if Moved Away from “Nassau Street”
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Princeton – Princeton Jct. (2.7 Miles)
Location !, Location !, Location! 12
,000
Res
iden
ts (B
oro)
10,0
00 S
tude
nts (
PU, S
emin
ary,
Rid
er)
30,0
00 Jo
bs (B
oro
+ Tw
nshp
; Cen
sus)
Access to the World
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Station Moved Twice
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50% Walk & Ride ~500 patrons/day
43/150 Solid Top 30%
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Grade CrossingsFaculty Road, Princeton Junction
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Pre-1985 to Present Terminus~185 feet
http://www.daftlogic.com/projects-google-maps-distance-calculator.htm
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Princeton – Princeton Jct. (2.7 Miles)
Location !, Location !, Location! 12
,000
Res
iden
ts (B
oro)
10,0
00 S
tude
nts (
PU, S
emin
ary,
Rid
er)
30,0
00 Jo
bs (B
oro
+ Tw
nshp
; Cen
sus)
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Area around the Dinky Station
Dinky Station Parking
Garage
Faculty Road
Alexander Road
Arts District
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The Conflict
February 16, 2010
This would be the 3rd time the station has moved towards The junction.
Definitions
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It then 2st moved 170 feet to create better E-W mobility for Forbes Student
from: the end of the platform, to: the Freight Building
The Conflict Arises from the current 3rd attempt at a Dinky Land Grab Land Grab
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Walk&Ride Accessibility Lost by Moving the Dinky Terminus South
Assumptions:1. All walk in a straight line to the station2. All Walk&Ride trips production/attraction are
uniformly distributed in the half plane north of the current terminus.
3. Walk&Ride Area Lost =~ R*D*(2*cos q + sin q ) where R = prime walk distance
D = Distance Terminus moved (460 ft)q = sin-1 (D/R)
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¼ Walk&Ride Service Areas49% Prime Walk&Ride Area Lost http://www.daftlogic.com/projects-google-maps-distance-calculator.htm
Nothing is gained to the south to off-set the losses to the north
http://www.daftlogic.com/projects-google-maps-distance-calculator.htm
¼ Mile Walk&Ride Accessibility Analysishttp://www.daftlogic.com/projects-google-maps-distance-calculator.htm
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1/2 Walk&Ride Service Areas24% Prime Walk&Ride Area Losthttp://www.daftlogic.com/projects-google-maps-distance-calculator.htm
Nothing is gained to the south to off-set the losses to the north
http://www.daftlogic.com/projects-google-maps-distance-calculator.htm
1/2 Mile Walk&Ride Accessibility Analysishttp://www.daftlogic.com/projects-google-maps-distance-calculator.htm
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Conclusions: Walk&Ride Accessibility Analysis
• 49% loss of ¼ mile prime walking area implies loss of Walk&Riders could be as high as 49% and a 25% loss of Dinky ridership.
•24% loss of ½ mile walking area implies at least a 24% loss of Walk&Riders and at least a 13% loss of Dinky ridership
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Congestion @ Alexander & University Place
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Flow Pattern @ Alexander & University Pl.
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Minimal Conflicts;Readily Accommodates Pedestrians
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Endangered?
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50% Walk & Ride ~500 patrons/day
43/150 Solid Top 30%
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Preferred Dinky Terminus
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Kiss
&Ri
de
FreeB, taxi~10
62
32
25
26
~7
On-street: ~100Small lot: ~62Commute Lot : ~150Total: ~340Yield: ~375 Boarders/day; ~680 McCarter Patrons
62 Baker surface lot ~150
(Commuter Lot)178
(Each Floor of Lot 7)
Existing Dinky Parking
Dinky / McCarter Parking
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Area around the Dinky Station
Dinky Station Parking
Garage
Faculty Road
Alexander Road
Arts District
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The Conflict
February 16, 2010
This would be the 3rd time the station has moved towards The junction.
Definitions
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The Dinky