United States Department of Transportation

General

Legacy ID

201

FIGURE 6B - Probability and Mean Size of Rear-End Collisions: Mean Number of Rear-End Collisions

FIGURE 6B - Probability and Mean Size of Rear-End Collisions: Mean Number of Rear-End Collisions

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Platoon size Overall traffic flow Individual platoon 2 2.000 2.000 3 2.030 2.097 4 2.050 2.199 5 2.070...

FIGURE 6B - Probability and Mean Size of Rear-End Collisions: Mean Number of Rear-End Collisions

FIGURE 6B - Probability and Mean Size of Rear-End Collisions: Mean Number of Rear-End Collisions

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TABLE 3 - Results of z-test for Time Gap

TABLE 3 - Results of z-test for Time Gap

Excel

Hypothesis p value (one tail) Reject the null hypothesis? Short term...

FIGURE 2B - Platoon Size Distribution: Long-Term Work Zone

FIGURE 2B - Platoon Size Distribution: Long-Term Work Zone

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APPENDIX

APPENDIX

Excel

Model Density function and parameters Weibull Density functionwhereg is the shape...

FIGURE 2B - Platoon Size Distribution: Long-Term Work Zone

FIGURE 2B - Platoon Size Distribution: Long-Term Work Zone

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Number of vehicles in a platoon Truck-leading platoon Nontruck-leading platoon All platoons 2 45.00% 52.41...

FIGURE 2A - Platoon Size Distribution: Short-Term Work Zone

FIGURE 2A - Platoon Size Distribution: Short-Term Work Zone

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FIGURE 3 - Effect of Platoon Size on Gap

FIGURE 3 - Effect of Platoon Size on Gap

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TABLE 2 - Gap Size of Platooning Vehicles in Work Zones

TABLE 2 - Gap Size of Platooning Vehicles in Work Zones

Excel | CSV

Pattern Frequency (vph) Mean gap (seconds) Mean headway (seconds) A. Short-Term Work Zone Car-car 1,087 1.610 1.986 Car-truck 209 2.030 2.429...

FIGURE 1B - Percentage of Traffic in Platoons vs. Flow Rate: Three-Second Headway

FIGURE 1B - Percentage of Traffic in Platoons vs. Flow Rate: Three-Second Headway