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From page 52... ... 52 Reduction in Available Capacity from Incidents The 2010 HCM serves as a worldwide reference for transportation and traffic engineering scholars and practitioners. Within the HCM are tables defining available freeway segment capacity when a number of freeway and shoulder lanes are blocked by incidents. Read the entire page →
From page 53... ... Reduction in Available Capacity from Incidents 53 Proportion of Freeway Segment Capacity Available Under Incident Conditions Number of Lanes (One Direction) Shoulder Disablement Shoulder Accident One Lane Blocked Two Lanes Blocked Three Lanes Blocked 2 0.9511 0.8110 0.68–0.7712 0.3510 0.46–0.5011 0.47–0.5013 0.0010 0.13–0.1411 N/A 3 0.9910 0.5214 0.79 0.8310 0.7413 0.7215 0.77 0.4910 0.40–0.4312 0.5013 0.3614 0.3716 0.55 0.1710 0.29–0.3212 0.2113 0.1814 0.2315 0.24 0.0010 4 0.99 10 0.91 0.8510 0.87 0.5810 0.69 0.2510 0.30 0.1310 0.18 5 0.99 10 0.8710 0.6510 0.76 0.4010 0.60 0.2010 0.32 6 0.9910 0.8910 0.7110 0.5010 0.2610 7 0.9910 0.9110 0.7510 0.5710 0.3610 8 0.9910 0.9310 0.7810 0.6310 0.4110 Note: Bold text indicates HCM values, italic indicates estimates from this study. Read the entire page →

From page 52...

... 52 Reduction in Available Capacity from Incidents The 2010 HCM serves as a worldwide reference for transportation and traffic engineering scholars and practitioners. Within the HCM are tables defining available freeway segment capacity when a number of freeway and shoulder lanes are blocked by incidents.

Read the entire page →

From page 53...

... Reduction in Available Capacity from Incidents 53 Proportion of Freeway Segment Capacity Available Under Incident Conditions Number of Lanes (One Direction) Shoulder Disablement Shoulder Accident One Lane Blocked Two Lanes Blocked Three Lanes Blocked 2 0.9511 0.8110 0.68–0.7712 0.3510 0.46–0.5011 0.47–0.5013 0.0010 0.13–0.1411 N/A 3 0.9910 0.5214 0.79 0.8310 0.7413 0.7215 0.77 0.4910 0.40–0.4312 0.5013 0.3614 0.3716 0.55 0.1710 0.29–0.3212 0.2113 0.1814 0.2315 0.24 0.0010 4 0.99 10 0.91 0.8510 0.87 0.5810 0.69 0.2510 0.30 0.1310 0.18 5 0.99 10 0.8710 0.6510 0.76 0.4010 0.60 0.2010 0.32 6 0.9910 0.8910 0.7110 0.5010 0.2610 7 0.9910 0.9110 0.7510 0.5710 0.3610 8 0.9910 0.9310 0.7810 0.6310 0.4110 Note: Bold text indicates HCM values, italic indicates estimates from this study.

Read the entire page →

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