Modeling traffic flow interrupted by incidents
M Baykal-Gürsoy, W Xiao, K Ozbay - European Journal of Operational …, 2009 - Elsevier
A steady-state M/M/c queueing system under batch service interruptions is introduced to
model the traffic flow on a roadway link subject to incidents. When a traffic incident happens …
model the traffic flow on a roadway link subject to incidents. When a traffic incident happens …
Components of congestion: Delay from incidents, special events, lane closures, weather, potential ramp metering gain, and excess demand
J Kwon, M Mauch, P Varaiya - Transportation Research …, 2006 - journals.sagepub.com
A method is presented to divide the total congestion delay in a freeway section into six
components: the delay caused by incidents, special events, lane closures, and adverse …
components: the delay caused by incidents, special events, lane closures, and adverse …
A spatial queuing model for the emergency vehicle districting and location problem
N Geroliminis, MG Karlaftis, A Skabardonis - Transportation research part B …, 2009 - Elsevier
Emergency response systems in urban areas should be located to ensure adequate
coverage and rapid response time. We develop a model for locating emergency vehicles on …
coverage and rapid response time. We develop a model for locating emergency vehicles on …
Secondary accident rates on Los Angeles freeways
JE Moore, G Giuliano, S Cho - Journal of Transportation …, 2004 - ascelibrary.org
There is a prevailing assumption that Freeway Service Patrol (FSP) programs improve safety
for unassisted motorists by reducing the likelihood of secondary accidents. This research …
for unassisted motorists by reducing the likelihood of secondary accidents. This research …
New calibration methodology for microscopic traffic simulation using enhanced simultaneous perturbation stochastic approximation approach
JB Lee, K Ozbay - Transportation Research Record, 2009 - journals.sagepub.com
Traffic simulation models can represent real-world conditions such as delays, travel times,
queues, and flows. However, accurate evaluation of these traffic conditions depends on the …
queues, and flows. However, accurate evaluation of these traffic conditions depends on the …
Prediction of secondary crash frequency on highway networks
Secondary crash (SC) occurrences are major contributors to traffic delay and reduced safety,
particularly in urban areas. National, state, and local agencies are investing substantial …
particularly in urban areas. National, state, and local agencies are investing substantial …
Emergency vehicle maneuvers and control laws for automated highway systems
The operation and transit of emergency vehicles (EVs) on an automated highway system
(AHS) designed under the control architecture proposed in the California PATH (Partners for …
(AHS) designed under the control architecture proposed in the California PATH (Partners for …
Evaluating the impact of Road Rangers in preventing secondary crashes
Many transportation agencies utilize freeway service patrols (FSPs) to quickly identify and
respond to incidents. The objectives of FSP are to minimize the incident duration and …
respond to incidents. The objectives of FSP are to minimize the incident duration and …
[PDF][PDF] An empirical assessment of traffic operations
C Chen, P Varaiya, J Kwon - Proceedings of the 16th …, 2005 - people.eecs.berkeley.edu
ABSTRACT The California Freeway Performance Measurement System (PeMS, http://pems.
eecs. berkeley. edu/) stores real-time data from 23,000 loop detectors. PeMS currently has 3 …
eecs. berkeley. edu/) stores real-time data from 23,000 loop detectors. PeMS currently has 3 …