16 312 data collection

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Unformatted text preview: .................. 16 3.1.2 Data Collection ............................................................................................ 17 3.1.3 Data Analysis ............................................................................................... 20 3.1.3.1 Converting Hourly Traffic Counts to Cumulative Inter-arrival Time Distributions.......................................................................................................... 26 3.2 Description and Design of ARENA (SIMAN) Simulation Program.................. 51 3.2.1 Description of ARENA (SIMAN) Simulation Program.............................. 51 3.2.2 Design of the ARENA Traffic Simulation Model ....................................... 52 3.2.2.1 Input Variables ...................................................................................... 52 3.2.2.1.1 Construction Zone Configuration .......................................... 52 3.2.2.1.2 Inter-arrival Time Distribution (Entity Arrival) .................... 54 3.2.2.1.3 Vehicle Types ........................................................................ 57 3.2.2.1.4 Speed Profile .......................................................................... 59 3.2.2.1.5 Car Following Behavior......................................................... 62 3.2.2.1.6 Gap Acceptance for Merging and Lane Changing Behavior . 62 3.2.2.2 3.2.2.3 Output Variables ................................................................................... 90 3.2.2.4 3.3 vi Flowchart of the ARENA Simulation Model ....................................... 75 Limitations .............................................................................................90 Description and Design of QuickZone Delay Estimation Program.................... 91 3.3.1 3.3.2 4 Inputs of QuickZone Delay Estimation Program......................................... 92 Outputs of QuickZone Delay Estimation Program...................................... 97 Results and discussion of results.............................................................................. 100 4.1 Analysis and Discussion of ARENA Simulation Results ................................. 100 4.2 Comparison of ARENA with QuickZone ......................................................... 115 4.3 Discussion of Results ........................................................................................ 116 5 Conclusions .............................................................................................................. 118 6 References ................................................................................................................ 120 Appendix A. Hourly Traffic Counts (vphpl), Average IAT, Average Speed, and Standard Deviations for I-76 Westbound Daytime Driving/Passing Lane ........................ 125 Appendix B. IATs as a Function of Volume (vphpl) on Driving Lane and Passing Lane during Daytime for Cumulative Percentage Values 1%, 2%, 5%, 10%, 20%, 30%, 40%, 50%, 60%, 70%, 80%, 90%, 95%, 98%, 99%, and 100% (Maximum) .... 141 Appendix C. Calculated Inter-arrival Times for 15 Minute Intervals for 24- hout Time Period .................................................................................................................. 158 Appendix D. ARENA Simulation Model SIMAN Code................................................ 169 vii LIST OF FIGURES Figure 1: Map of the Work Zone Site used in the Example ............................................. 16 Figure 2: Trailer Locations Used in the I-76 Westbound Construction Zone Data Collection.................................................................................................................. 18 Figure 3: Configuration of radar trailer and ORITE equipment for measuring traffic used in evaluation (adapted from Zwahlen et al. [22])...................................................... 19 Figure 4: Comparison of Average Inter-arrival Times versus Number of Vehicles per Hour for Daytime and Nighttime Driving Lane Data ............................................... 21 Figure 5: Comparison of Average Inter-arrival Times versus Number of Vehicles per Hour for Daytime and Nighttime Passing Lane Data ............................................... 22 Figure 6: An Actual Cumulative IAT Distribution Observed during a 15 Minute Time Period (08/20/04 Friday, 8:15-8:30 AM) .................................................................. 27 Figure 7: Comparison of Actual Inter-arrival Times, OU Fitting Distribution, and Negative Exponential Distribution (a (Logarithmic Scale), b), Normal Distribution (c (Logarithmic Scale), d), Pearson Type III Distribution (e (Logarithmic Scale), f) for 469 vehicles/hour/driving lane ............................................................................ 44 Figure 8: Comparison of Actual Inter-arrival Times, OU Fitting Distribution, and Negative Exponential Distribution (a (Logarithmic Scale), b), Normal Distribution (c (Logarithmic Scale), d), Pearson Type III Distribution (e (Logarithmic Scale), f) for 581 vehicles/hour/driving lane ...........................................................
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This document was uploaded on 02/26/2014 for the course E 515 at University of Louisiana at Lafayette.

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