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Author: Richard Gerhard Dowling Publisher: Transportation Research Board ISBN: 0309223970 Category : Traffic congestion Languages : en Pages : 65
Book Description
"Active traffic management (ATM) includes a suite of traffic management and control strategies that improve operational efficiency. These strategies are used to manage traffic flow to enhance capacity and safety. This synthesis documents the state of the practice associated with designing, implementing, and operating ATM on arterial roadways."--Preface.
Author: Richard Gerhard Dowling Publisher: Transportation Research Board ISBN: 0309223970 Category : Traffic congestion Languages : en Pages : 65
Book Description
"Active traffic management (ATM) includes a suite of traffic management and control strategies that improve operational efficiency. These strategies are used to manage traffic flow to enhance capacity and safety. This synthesis documents the state of the practice associated with designing, implementing, and operating ATM on arterial roadways."--Preface.
Author: Publisher: ISBN: Category : Intelligent transportation systems Languages : en Pages : 190
Book Description
Active Traffic Management (ATM) strategies have become more common in the United States as state departments of transportation grapple with increasing congestion and fewer dollars available to add capacity to keep pace. The TRB National Cooperative Highway Research Program's NCHRP Web-Only Document 286: Principles and Guidance for Presenting Active Traffic Management Information to Drivers develops and details principles and guidance for presenting drivers with dynamic information that can be frequently updated based on real-time conditions. These principles and guidance should improve the effectiveness of ATM strategies, which include systems to manage congestion, incidents, weather, special events, and work zones.
Author: U.s. Department of Transportation Publisher: Createspace Independent Publishing Platform ISBN: 9781724225511 Category : Languages : en Pages : 130
Book Description
Active Traffic Management (ATM) feasibility and screening guide /
Author: William A. Perez Publisher: ISBN: Category : Traffic congestion Languages : en Pages : 96
Book Description
Active traffic management (ATM) incorporates a collection of strategies allowing the dynamic management of recurrent and nonrecurrent congestion based on prevailing traffic conditions. These strategies help to increase peak capacity, smooth traffic flows, and enhance safety on busy major highways. This final report describes a series of experiments that developed and tested alternative signs focusing on lane control signs (LCS) and variable speed limit (VSL) signs and used the deployments in Minnesota and Washington as inputs to sign development. Laboratory and field studies determined both the comprehension of the ATM signs as well as their respective legibility distances. Two driving simulator studies helped determine how motorists responded to these signs in a simulated driving environment. Research results are discussed for the various studies, including legibility distances, driver behavior, speed selection, and visual clutter with respect to the used of the LCS and VSL signs.
Author: Michael D. Fontaine Publisher: ISBN: Category : Traffic congestion Languages : en Pages : 100
Book Description
Active Traffic Management (ATM) applications, such as variable speed limits, queue warning systems, and dynamic ramp metering, have been shown to offer mobility and safety benefits. Yet because they differ from conventional capacity investments in terms of cost, service life, and operating requirements, how to incorporate them into the planning process is not clear. To facilitate such incorporation, this study developed guidelines for considering ATM deployments. The guidelines consist of four sets. The first set identifies required infrastructure and operational conditions, such as sensor placement and queueing behavior, to apply a particular ATM technique at a given site. The second set presents sketch planning analysis methods to estimate the operational and safety benefits of applying the particular technique at the site; these may be refined with the third set concerning a more detailed (and accurate) simulation analysis. The fourth set concerns continued monitoring of an ATM deployment at a given site. Also provided is a framework for incorporating ATM concepts into the regional planning process. The framework is illustrated with a hypothetical case study of variable speed limits implemented on I-66 in Virginia. Although Virginia metropolitan planning organizations (MPOs) and the Virginia Department of Transportation already consider operational initiatives to some degree within the planning process, a key finding of this study is that there are several ways to strengthen the inclusion of operational initiatives. These include (1) using the guidelines developed in this study; (2) linking ATM initiatives to the MPO's Congestion Management Process; (3) facilitating the computation of operational-related performance measures such as total vehicle-hours per day; and (4) emphasizing, when applicable, the safety and environmental aspects of ATM. The rationale for such aspects is not to promote ATM as being more effective than other types of investments but rather to compare ATM objectively with these other types of investments. For example, Appendix A illustrates how to compute a benefit-cost ratio where costs include capital and operations expenditures for the ATM and where benefits include monetized values of vehicle-houts of delay plus crash costs. In this manner, the benefit-cost ratio for an ATM project may be compared to the benefit-cost ratio for other operational or capacity projects.
Author: Richard Gerhard Dowling
Author: Richard Gerhard Dowling
Author: Virginia P. Sisiopiku
Author: 
Author: United States. Federal Highway Administration. Office of International Programs
Author: U.s. Department of Transportation
Author: Louis G. Neudorff
Author: William A. Perez
Author: Charles Levecq
Author: Michael D. Fontaine
Author: Germin Essam Fadel