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Longer Combination Vehicles on Exclusive Truck Lanes: Interstate 90 Corridor Case Study

Table of Contents

1.0 Introduction

1.1 Study Overview

2.0 Research Approach

2.1 Analytical Framework

2.2 Data Collection and Testing

2.3 Outreach

3.0 Facility Characteristics

3.1 Highway Physical Characteristics

3.2 Highway Operations

3.3 Capital Improvement Costs

3.4 Maintenance and Operations Costs

3.5 Cost Summary

4.0 Demand and Utilization

4.1 Introduction

4.2 Truck-to-LCV Diversion

4.3 Rail-to-LCV Diversion

4.4 Combined Truck and Rail LCV Diversion

4.5 Exclusive Truck Lane Usage and Toll Revenue Estimates

5.0 Performance Measures

5.1 Impact Analysis Methodology

5.2 Impact Analysis Results

5.3 Cost-Effectiveness

5.4 Conclusion

A. Alternative Estimation of Candidate Trucks Diverted to LCVs

List of Tables

Table 3.1 Corridor HPMS/Cost Assumptions

Table 3.2 I-90/I-271 Exclusive Truck Lane Construction Costs by Highway Segment

Table 3.3 I-90/I-271 Exclusive Truck Lane Capital and Operating and Maintenance Cost Summary

Table 4.1 Estimate of Daily Single-Trailer Truck Trips Diverted to LCVs, All LCV Configurations

Table 4.2 Estimate of Daily Single-Trailer Truck Trips Diverted to LCVs, Double- and Triple-Trailer Combination Units

Table 4.3 Rail Diversion Estimates, Daily LCV Equivalents Diverted from Rail

Table 4.4 LCV Equivalents Diverted from Truck and Rail, Corridor Average Daily Trips

Table 4.5 Exclusive Truck Lane Toll Revenue by Diversion Scenario

Table 4.6 Exclusive Truck Lane Toll Revenue Estimate for All Single-Trailer Trucks

Table 5.1 Benefits of Exclusive Truck Lanes, Thousands of $2008

Table 5.2 I-90/I-271 Exclusive Truck Lane Net Revenues, Millions of 2008 Dollars

Table 5.3 Rate of Return Summary Table

Table A.1 Candidate Truck Trips for LCV Diversion

Table A.2 High Rail Diversion Estimates, Daily LCV Equivalents Diverted from Rail

Table A.3 Corridor Trip Cost Estimates, 2008 Dollars

Table A.4 Low Rail Diversion Estimates, Daily LCV Equivalents Diverted from Rail

Table A.5 Sensitivity Test: 300 Miles Average Trip Distance, LCV Volumes on Exclusive Truck Lanes (vehicles per day)

Table A.6 Sensitivity Test: 700 Miles Average Trip Distance, LCV Volumes on Exclusive Truck Lanes (vehicles per day)

Table A.7 Sensitivity Test: 10 Percent Triples Share of LCVs on ETL, LCV Volumes on Exclusive Truck Lanes (vehicles per day)

Table A.8 Sensitivity Test: 50 Percent Triples Share of LCVs on ETL, LCV Volumes on Exclusive Truck Lanes (vehicles per day)

Table A.9 Sensitivity Test: 10 Percent Empty Backhaul, LCV Volumes on Exclusive Truck Lanes (vehicles per day)

Table A.10 Sensitivity Test: 30 Percent Empty Backhaul, LCV Volumes on Exclusive Truck Lanes (vehicles per day)

Table A.11 Sensitivity Test: 30 Percent Higher Price for Fuel, LCV Volumes on Exclusive Truck Lanes (vehicles per day)

Table A.12 Sensitivity Test: 30 Percent Lower Price for Fuel, LCV Volumes on Exclusive Truck Lanes (vehicles per day)

List of Figures

Figure 1.1 Interstate 90 Corridor With Tolled Sections

Figure 1.2 Interstate 90 Corridor Exclusive Truck Lane Scenario

Figure 3.1 I-90 Corridor Map With Staging Areas and Access Points

Figure 3.2 Single 53-Foot Tandem, Five-Axle, 63.8 Feet Extreme Axle Spacing: 87,875 Pounds

Figure 3.3 Twin 48-Foot (or 53-Foot) Trailers, Nine-Axle, 109.2 Feet Extreme Axle Spacing: 129,000 Pounds

Figure 3.4 Triple 28-Foot Trailers, Nine-Axle, 109.2 Feet Extreme Axle Spacing: 120,000 Pounds

Figure 4.1 Baseline (2010) and Future (2040) Corridor Traffic Profile, Average Daily Combination Truck Trips Versus Other Vehicles

Figure 4.2 Truck Traffic Profile with High (10 percent) and Low (2 percent) LCV Diversion Base Year (2010), Average Daily Combination Truck Trips

Figure 4.3 Regional Rail and Highway Network