Waddle Road Interchange Project

Patton Township

Board of Supervisors MeetingDecember 11, 2013

Insert Project Area Image

Project Area Map

Ø Relieve Existing Congestion

Ø Replace Functionally Obsolete Bridge

Ø Accommodate Regional Growth and Development

Project Objectives

Waddle Road InterchangeProject

Alternative 1Conventional Diamond

Waddle Road InterchangeProject

Alternative 2Partial Cloverleaf

Waddle Road InterchangeProject

Alternative 3Diverging Diamond

Waddle Road/I-99 Interchange Project Alternative Analysis2040 BUILD IMPROVEMENT ALTERNATIVESPreliminary Overall Level of Service Results

As Presented in December 2012

Intersection Conventional Diamond Partial Cloverleaf Diverging Diamond(DDI)

Multi LaneRoundabouts

Single Point UrbanInterchange

(SPUI)AM PM SAT AM PM SAT AM PM SAT AM PM SAT AM PM SAT

Waddle Road /I-99 SB– Rt. 322 WB Ramps C(20.1) C(29.1) C(24.3) A (0.7)2 A (0.9)2 A (0.5)2 B

(15.5)B

(19.9) B (13.2) B(13.4)1 F(61.1)1 C(17.1)1

C(26.1) C(34.6) C(29.5)Waddle Road/ I-99 NB– Rt. 322 EB Ramps B(16.7) B(11.3) A(9.4) B (16.4) B (12.3) B (12.3) C(22.3) C(30.4) C(31.7) B(14.8)1 C(19.3)1 B(12.7)1

Waddle Road/Colonnade Boulevard C(21.6) D(43.4) D(37.2) C (23.1) E (57.3) D (47.6) C

(22.9)D

(54.9) D (49.2) B(15.0)1 D(30.4)1 C(19.6)1 C(23.3) D(49.6) D(43.5)

Waddle Road/Strouse Avenue A(4.5) A(3.8) A(4.7) A (4.5) A (4.3) A (4.9) A (4.4) A (3.8) A (4.9) A(4.5) A(4.2) A(4.7) A(4.5) A(4.0) A(4.7)

Waddle Road/Clearview Avenue A(8.4) B(11.4) B(10.3) A (8.4) B (11.1) B (10.8) A (8.8) B

(11.1) B (11.0) A(8.4) B(10.1) B(10.3) A(8.5) B(11.2) B(10.1)

1 Multi-Lane Roundabout2 No Traffic Signal Control

Ø Awaiting Confirmation of Traffic Analysis Results fromPennDOT

Ø Preparing Contract to Complete Preliminary EngineeringPhase (Anticipated NTP Feb. 2013)

Ø Complete Environmental Clearance Document

Next StepsAs Stated in December 2012 Presentation

Ø Additional Coordination with Centre County

Ø Supplemental Traffic Counts Conducted

Ø Analysis Methodology Change

Traffic Analysis Updates

Traffic Simulation ModelSingle SB Through Lane at Colonnade

Traffic Simulation ModelSingle SB Through Lane at Colonnade

Note the traffic stacking on the westbound off ramp

Traffic Simulation ModelIncludes Auxiliary SB Through Lane

Traffic Simulation ModelIncludes Auxiliary SB Through Lane

Widening Option A

SRR rt lane merge.pdf

Widening Option B

Widening Option C

Widening Option D – Preferred Option

Looking north along Waddle Road, between Colonnade and Strouse

Bridge Elevation

Ø Conventional Diamond - $ 10.4 Million

Ø Partial Cloverleaf - $12.5 Million

Ø Diverging Diamond - $ 11.7 Million

ConceptualConstruction Cost Estimate

As presented December 2012

NOTE: Does not include Right-of-Way or Utility Relocation CostsBridge cost = $4 Million for each alternative

Ø Additional Widening Colonnade to Strouse - $500,000

Ø Additional Utility Impacts (5 Utility Poles)

Ø Additional R/W from Oakwood Centre andWilliamsburg Square

Ø Revised Conventional Diamond - $ 11.0 Million

ConceptualConstruction Cost Estimate

December 2013

NOTE: Does not include Right-of-Way, Utility Relocation Costs, orRe-profiling Eastbound Route 322Bridge cost = $4 Million

Ø Awaiting Confirmation of Traffic Analysis Results fromPennDOT

Ø Complete Preliminary Engineering Phase (Spring 2014)

Ø Complete Environmental Clearance Document(Spring 2014)

Next Steps

Waddle Road Interchange Project

Questions?