Analysis of Alternatives for Accommodating Trucks on Urban

Freeways in Southern Nevada

Alexander Paz, Naveen Veeramisti, Pankaj Maheswari

Transportation Research Center

University of Nevada, Las Vegas

Presentation prepared for

The Monthly Advisory Committee Meeting

May 27, 2010

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Alternatives

– Truck Only Lanes– Truck Restricted Lanes– Truck Only Toll Lanes– Truck Bypass– “Truckways with Toll”

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ResultsBase Case and Alternatives

AM Peak Period

One Month Progress

• 8 April 2010– 52 / 62 of link counts

within the 15% range (84 % within range) after Calibration

– Demand - 560,448 Veh -2.32% increase from TDM Demand

• 13 May 2010– 53 / 62 of link counts

within the 15% range (85 % within range) after Calibration

– Demand - 560,401 Veh -2.31% increase from TDM Demand

– Evaluation of Base Case and three Alternatives

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85 % of link counts are within the 15% range.

Acc. To FHWA Primer Vol. III, 85%

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+15%

-15%

1. Truck Restricted Lanes

Truck Restriction

“Trucks restricted to a certain lane or lanes but with

other traffic permitted to use these lanes as well as

the lanes from which trucks are excluded”

- Handbook of transport systems and traffic control

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Link Density – Base and Truck Restriction

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Link Speed-Base and Truck Restriction

2. Truck Only Lane

Truck only lane

“Truck-only lanes are lanes designated for the use of

trucks. The purpose of truck-only lanes is to separate

trucks from other mixed-flow traffic to enhance

safety and/or stabilize traffic flow.”

- CA.gov

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Link Density-Base and truck Only Lane

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Link Speed – Base and truck Only Lane

3. Truck Only Toll Lanes

Truck only toll lane

“ Truck-Only Toll (TOT) lanes are limited access toll

lanes available only for trucks.”

- ODOT

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Link Density-Base and Truck Only Toll

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Link Speed-Base and Truck Only Toll

All three alternatives

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Link Density-Base and Alternatives Comparison

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Link Speed-Base and Alternatives Comparison

Las Vegas Valley Truck By-Pass Route

Section 1: St. Rose Parkway to CC 215

Section 2: CC 215 to Boulder Highway

Section 3: Boulder Hwy to E.Desert Inn Road

Section 4: E.Desert Inn Road to Nellis Air Force

Section 5: Nellis Air Force Base to I-15 North

Section 1: NEXTA-St. Rose Pkwy to Boulder Hwy

Section 2: NEXTA-CC 215 to E. Desert Inn Road

Section 3: E. Desert Inn Road to I-15 North

Safety Analysis Using HERS Methodology

• HERS model to evaluate accident and safety analysis.• Methodology Reference - FHWA HERS-ST Technical

Report 2005

- FHWA 2005 Annual Technical Report

Acknowledgements

• RTC, Southern Nevada• Nevada DOT• USDOT - RITA

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Questions?

Thank you!

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Las Vegas Network

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