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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.

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slide1

Historic Preservation of the Dinky

in both

Function and Form

Alain L. Kornhauser, PhDProfessor, Operations Research & Financial EngineeringDirector, Program in Transportation

Faculty 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)

purpose of historical preservation
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
purpose of historical preservation1
Purpose of Historical Preservation
  • Preserve the Function and Form of Historically Important elements of the Built Environment.
  • Dinky:
    • Functioning since 1865
slide4

Function Endangered?

Only if Moved Away from “Nassau Street”

princeton princeton jct 2 7 miles
Princeton – Princeton Jct. (2.7 Miles)

Location !, Location !, Location!

Access to the World

12,000 Residents (Boro)

10,000 Students (PU, Seminary, Rider)

30,000 Jobs (Boro + Twnshp; Census)

slide8

50% Walk & Ride

~500 patrons/day

43/150 Solid Top 30%

slide16

Pre-1985 to Present Terminus

~185 feet

http://www.daftlogic.com/projects-google-maps-distance-calculator.htm

princeton princeton jct 2 7 miles1
Princeton – Princeton Jct. (2.7 Miles)

Location !, Location !, Location!

12,000 Residents (Boro)

10,000 Students (PU, Seminary, Rider)

30,000 Jobs (Boro + Twnshp; Census)

area around the dinky station
Area around the Dinky Station

Dinky Station

Parking Garage

Faculty Road

Alexander Road

Arts District

the conflict

Definitions

The Conflict

This would be the 3rd time the station has moved towards The junction.

slide21
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

slide22

Walk&Ride Accessibility Lost by

Moving the Dinky Terminus South

  • Assumptions:
  • 1. All walk in a straight line to the station
  • All Walk&Ride trips production/attraction are uniformly distributed in the half plane north of the current terminus.
  • Walk&Ride Area Lost =~ R*D*(2*cosq + sin q ) where R = prime walk distance
        • D = Distance Terminus moved (460 ft)
        • q = sin-1 (D/R)
slide23

¼ Mile Walk&Ride Accessibility Analysis

http://www.daftlogic.com/projects-google-maps-distance-calculator.htm

¼ Walk&Ride Service Areas

49% 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

slide24

1/2 Mile Walk&Ride Accessibility Analysis

http://www.daftlogic.com/projects-google-maps-distance-calculator.htm

1/2 Walk&Ride Service Areas

24% 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

slide25

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
slide28

Minimal Conflicts;

Readily Accommodates Pedestrians

slide30

50% Walk & Ride

~500 patrons/day

43/150 Solid Top 30%

slide32

Dinky / McCarter Parking

~7

Existing Dinky Parking

On-street: ~100

Small lot: ~62

Commute Lot : ~150

Total: ~340

Yield: ~375 Boarders/day;

~680 McCarter Patrons

25

26

Kiss&Ride

32

FreeB, taxi

~10

62

62

Baker surface lot

~150

(Commuter Lot)

178

(Each Floor of Lot 7)

area around the dinky station1
Area around the Dinky Station

Dinky Station

Parking Garage

Faculty Road

Alexander Road

Arts District

the conflict1

Definitions

The Conflict

This would be the 3rd time the station has moved towards The junction.