Athens Avenue / UPRR Grade Separation Feasibility Study Thunder Valley Casino.
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Transcript of Athens Avenue / UPRR Grade Separation Feasibility Study Thunder Valley Casino.
Athens Avenue / Athens Avenue / UPRR Grade UPRR Grade Separation Separation
Feasibility StudyFeasibility StudyThunder Valley CasinoThunder Valley Casino
Existing X-ing Existing X-ing Configuration Configuration
Automatic GatesAutomatic Gates Median Separation Median Separation Standard, Standard,
cantilever, and cantilever, and advance signalsadvance signals
Traffic Signal Pre-Traffic Signal Pre-emptionemption
Additional Signs Additional Signs and Markingsand Markings
Casino ExpansionCasino Expansion
475,000 s.f. Casino475,000 s.f. Casino 650 Room Hotel650 Room Hotel 3000 Seat Performing Arts Center3000 Seat Performing Arts Center 5000 Space Garage5000 Space Garage
Worst Case Traffic Worst Case Traffic ConditionsConditions
Future Saturday EveningFuture Saturday Evening Future Saturday Evening with Event Future Saturday Evening with Event
at 3000 seat Performing Arts Centerat 3000 seat Performing Arts Center
Collision HistoryCollision History
43 collisions in 5 year period at or near 43 collisions in 5 year period at or near the crossingthe crossing
Half were rear-endHalf were rear-end Others include sideswipe, broadside, Others include sideswipe, broadside,
overturn, head-on, ran off road, striking overturn, head-on, ran off road, striking fixed object, and striking a pedestrianfixed object, and striking a pedestrian
None reported to interfere with the RR None reported to interfere with the RR crossingcrossing
In 2003 – 28 UPRR cars derailed In 2003 – 28 UPRR cars derailed adjacent to the crossing. adjacent to the crossing.
Criteria to Close CrossingCriteria to Close Crossing(one or more)(one or more)
Nearby crossing is available w/ Nearby crossing is available w/ acceptable accessacceptable access
Cost to upgrade the crossing exceeds Cost to upgrade the crossing exceeds cost of an acceptable alternate access cost of an acceptable alternate access
Combination of low volume, close Combination of low volume, close alternative access, and limited alternative access, and limited increase in trip lengthincrease in trip length
Crossing blocked excessively by train Crossing blocked excessively by train but not feasible to grade separatebut not feasible to grade separateSource: GUIDANCE ON TRAFFIC CONTROL DEVICES AT HIGHWAY-RAIL GRADE CROSSINGS – HIGHWAY/RAIL GRADE CROSSING TECHNICAL WORKING GROUP (TWG), November 2002
Criteria for Grade Criteria for Grade SeparationSeparation
(one or more) (one or more) Part of Interstate Highway SystemPart of Interstate Highway System Limited accessLimited access High vehicle speed or volumeHigh vehicle speed or volume High train speed or volumeHigh train speed or volume Combination of train and vehicle Combination of train and vehicle
volume (exposure) volume (exposure) Expected accident frequency (EAF)Expected accident frequency (EAF) High vehicle delay / Poor LOSHigh vehicle delay / Poor LOS
Source: ibid.
At Grade AlternativesAt Grade Alternatives
Backup queue detectorsBackup queue detectors Advance arrival and delay Advance arrival and delay
informationinformation In pavement flashing lightsIn pavement flashing lights Vehicle arrest barrierVehicle arrest barrier Changeable message signsChangeable message signs Access and turn prohibitionsAccess and turn prohibitions Customer educationCustomer education
Grade Separated Grade Separated AlternativesAlternatives
Full separation overFull separation over Partial separation overPartial separation over Full separation underFull separation under Partial separation underPartial separation under
Design ConstraintsDesign Constraints
Limited right of wayLimited right of way Access to adjacent propertiesAccess to adjacent properties High water tableHigh water table Min. railroad clearance Min. railroad clearance UtilitiesUtilities WetlandsWetlands Future roadway wideningFuture roadway widening
Three Alternatives Three Alternatives EvaluatedEvaluated
Full Grade Separated: Entire Athens Full Grade Separated: Entire Athens Avenue / Industrial Avenue Avenue / Industrial Avenue intersection elevatedintersection elevated
Three Alternatives Three Alternatives EvaluatedEvaluated
Full Grade Separated: Only Full Grade Separated: Only movements that go over RR tracksmovements that go over RR tracks
Three Alternatives Three Alternatives EvaluatedEvaluated
Partial Grade Separated: major NB Partial Grade Separated: major NB to WB and EB to SB over RR tracksto WB and EB to SB over RR tracks
Alternatives Considered Alternatives Considered But Not AdvancedBut Not Advanced
Depress Athens Avenue / Industrial Depress Athens Avenue / Industrial Avenue and RR crossing under Avenue and RR crossing under tracks.tracks.
Depress RR tracksDepress RR tracks Upgrade alternative crossing in lieu Upgrade alternative crossing in lieu
of Athens Avenue / Industrial Avenue of Athens Avenue / Industrial Avenue RR crossingRR crossing
RankingRankingFilter Criteria Alternative 1 Alternative 2 Alternative 3
Meets Purpose and Need Very Positive Positive Negative
Engineering Feasibility Positive Positive Very Negative
Constructability Positive Positive Neutral
Right-of-Way Positive Negative Very Negative
Access Positive Positive Negative
Environmental Impacts Neutral Neutral Positive
Railroad Impacts Very Positive Positive Negative
Traffic Improvements Positive Positive Very Positive
Safety Improvements Positive Positive Negative
Cost Estimate Neutral Very Negative Neutral