Analysis of Alternatives for Accommodating Trucks on Urban Freeways in Southern Nevada Vinod Vasudevan, Alexander Paz, Naveen Veeramisti, Pankaj Maheswari.

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Presentation transcript:

Analysis of Alternatives for Accommodating Trucks on Urban Freeways in Southern Nevada Vinod Vasudevan, Alexander Paz, Naveen Veeramisti, Pankaj Maheswari & Majrooh James Transportation Research Center University of Nevada, Las Vegas Presentation prepared for The Monthly Advisory Committee Meeting April 08,

Las Vegas NetworkLas Vegas Network 2

Alternatives –Truck Only Lanes –Truck Restricted Lanes –Truck Only Toll Lanes –Truck Bypass –Truckways with Toll 3

System Components Freeways, arterials, collectors, interchanges 215 Beltway - 53 mi I mi US mi TAZ’s (initially 1,646) Nodes Links Control (Actual Signal timings) 4

Input data Network Origin Destination Control Demand – TDM: 547,709 for 7 – 9 AM – After Calibration: 560,448 for 7 – 9 AM – ( 2.3 % increase in demand ) 5

6 Preliminary Calibration Results Base Case Scenario AM Peak Period

One Month Progress 9 March 2010 – 791 actual signalized intersections – actual signal timings – 49 actual counts (FAST) – Avg. Travel Time: min (before calibration) – 26 / 49 of link counts within the 15% range (53 % within range) preliminary calibration 8 April 2010 – 791 actual signalized intersections – actual signal timings – 62 actual counts (FAST) – Avg. Travel Time: min (after calibration) – 52 / 62 of link counts within the 15% range (84 % within range) after Calibration 7

8 53 % of link counts are within the 15% range. FHWA requires 85% 8

9 84 % of link counts are within the 15% range. Acc. To FHWA Primer Vol. III, > 85% 9

10 +15% -15% Slide 10

Global StatisticsGlobal Statistics Before Calibration: – Average Travel Time – min – Total Network Travel Time – 129, hrs – Average trip Distance – miles – Total Trip Distance(VMT) – 4,438, miles After Calibration – Average Travel Time – min – Total Network Travel Time – 105, hrs – Average trip Distance – miles – Total Trip Distance(VMT) – 3,946, miles 11

Truck Restricted Lane Truck only Lane Truck Only Toll 12 Alternatives for Accomadating Trucks

Truck Bypass 13

Acknowledgements RTC, Southern Nevada Nevada DOT USDOT - RITA 14

Questions? Thank you! 15