Headway

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Headway

A UK charity that provides help and support for people with brain injuries, acting locally through a network of sites which offer a wide range of services, including rehabilitation programmes, carer support, social re-integration, community outreach and respite care.
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If the traffic flow is saturated, vehicle headways should fluctuate around the saturation headway.
Equations (3a) and (3b) show that [DELTA]e follows a normal distribution with zero mean and 2[[sigma].sup.2.sub.e] variance, which provides a first method to test whether the vehicle headways in the time series are saturation headways.
Automatic Estimation Method for Intersection Saturation Flow Rate Based on Video Detector Data
Both calculations on lane capacity and start-up loss time rely on the discharge headway of queued vehicles.
As defined in HCM [1], headway is the time between successive vehicles as they pass a point on a lane or roadway, measured from the same point on each vehicle.
Variability of Green Time to Discharge a Specified Number of Queued Vehicles at a Signalized Intersection
One thousand headways are simulated and critical gap can be calculated by various methods in Table 3.
Estimation of critical gap based on Raff's definition
The distribution of headways in the major stream is described by a statistical function.
Estimating the parameters of Cowan's M3 headway distribution for roundabout capacity analyses
In order to classify the collected headway data, the flow scopes with the length of 100 pc/h/ln were defined for each lane and the headways belonging to each 5-minute time interval were put into the corresponding flow scope.
Analysis and modeling time headway distributions under heavy traffic flow conditions in the urban highways: case of Isfahan
Schools can book a performance by calling Headway on (01670) 351962 or emailing HeadwayT@aol.com
Headway drama is a show well worth seeing
There is, however, one other reason for the short headways, and it is that drivers are incapable of estimating headways correctly.
Headway feedback improves intervehicular distance: a field study
One is to make fast buses slow down, and the other is to make slow buses speed up, and then the headways between buses can be equalized.
A Self-Adjusting Method to Resist Bus Bunching Based on Boarding Limits
This was done because we assumed that an open roadway gave the drivers an opportunity to increase their speed, and we wished to see if drivers who tended to exceed the speed limit would exhibit headways that were different when receiving alerts than when not receiving alerts.
Effects of an in-vehicle collision avoidance warning system on short- and long-term driving performance
To determine liability for maintaining safe headway and to enforce safe headways, it is necessary to first examine whether the problem lies in the drivers' inability to correctly estimate distances to vehicles ahead, or whether the drivers knowingly violate the law.
Minimum and Comfortable Driving Headways: Reality versus Perception

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