athens avenue uprr grade separation feasibility study
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Athens Avenue / UPRR Grade Separation Feasibility Study

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Athens Avenue / UPRR Grade Separation Feasibility Study. Thunder Valley Casino. RR Crossing. Athens Ave. At-Grade Crossing. Thunder Valley Court. Industrial Ave. Automatic Gates Median Separation Standard, cantilever, and advance signals Traffic Signal Pre-emption

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Presentation Transcript
rr crossing
RR Crossing

Athens Ave.

At-Grade Crossing

Thunder Valley Court

Industrial Ave.

existing x ing configuration
Automatic Gates

Median Separation

Standard, cantilever, and advance signals

Traffic Signal Pre-emption

Additional Signs and Markings

Existing X-ing Configuration
casino expansion
Casino Expansion
  • 475,000 s.f. Casino
  • 650 Room Hotel
  • 3000 Seat Performing Arts Center
  • 5000 Space Garage
worst case traffic conditions
Worst Case Traffic Conditions
  • Future Saturday Evening
  • Future Saturday Evening with Event at 3000 seat Performing Arts Center
collision history
Collision History
  • 43 collisions in 5 year period at or near the crossing
  • Half were rear-end
  • Others include sideswipe, broadside, overturn, head-on, ran off road, striking fixed object, and striking a pedestrian
  • None reported to interfere with the RR crossing
  • In 2003 – 28 UPRR cars derailed adjacent to the crossing.
criteria to close crossing one or more
Criteria to Close Crossing(one or more)
  • Nearby crossing is available w/ acceptable access
  • Cost to upgrade the crossing exceeds cost of an acceptable alternate access
  • Combination of low volume, close alternative access, and limited increase in trip length
  • Crossing blocked excessively by train but not feasible to grade separate

Source: GUIDANCE ON TRAFFIC CONTROL DEVICES AT HIGHWAY-RAIL GRADE CROSSINGS – HIGHWAY/RAIL GRADE CROSSING TECHNICAL WORKING GROUP (TWG), November 2002

criteria for grade separation one or more
Criteria for Grade Separation(one or more)
  • Part of Interstate Highway System
  • Limited access
  • High vehicle speed or volume
  • High train speed or volume
  • Combination of train and vehicle volume (exposure)
  • Expected accident frequency (EAF)
  • High vehicle delay / Poor LOS

Source: ibid.

at grade alternatives
At Grade Alternatives
  • Backup queue detectors
  • Advance arrival and delay information
  • In pavement flashing lights
  • Vehicle arrest barrier
  • Changeable message signs
  • Access and turn prohibitions
  • Customer education
grade separated alternatives
Grade Separated Alternatives
  • Full separation over
  • Partial separation over
  • Full separation under
  • Partial separation under
design constraints
Design Constraints

Limited right of way

Access to adjacent properties

High water table

Min. railroad clearance

Utilities

Wetlands

Future roadway widening

three alternatives evaluated
Three Alternatives Evaluated

Full Grade Separated: Entire Athens Avenue / Industrial Avenue intersection elevated

three alternatives evaluated1
Three Alternatives Evaluated

Full Grade Separated: Only movements that go over RR tracks

three alternatives evaluated2
Three Alternatives Evaluated

Partial Grade Separated: major NB to WB and EB to SB over RR tracks

alternatives considered but not advanced
Alternatives Considered But Not Advanced

Depress Athens Avenue / Industrial Avenue and RR crossing under tracks.

Depress RR tracks

Upgrade alternative crossing in lieu of Athens Avenue / Industrial Avenue RR crossing

recommended alternative
Recommended Alternative

Near Term – backup queue detection, in-pavement lights, customer education

Long Term – Alternative 1 - $42 Million

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