Author: Brandon L. NeversPublisher: Transportation Research Board
ISBN: 0309213754
Category : Technology & Engineering
Languages : en
Pages : 92
Book Description
At head of title: National Cooperative Highway Research Program.
Guidelines on the Use of Auxiliary Through Lanes at Signalized Intersections
Author: Brandon L. NeversPublisher: Transportation Research Board
ISBN: 0309213754
Category : Technology & Engineering
Languages : en
Pages : 92
Book Description
At head of title: National Cooperative Highway Research Program.
NCHRP Report 707
Author: Development of Left-turn Lane Guidelines for Signalized and Unsignalized Intersections
Author: Publisher:
ISBN:
Category : Left-turn lanes
Languages : en
Pages : 80
Book Description
It is generally accepted that the level of service (LOS) at intersections significantly affects the overall LOS of the road system. It is also known that the LOS at an intersection can be adversely affected by frequently allowing left-turning vehicles to block through traffic. In addition, crash rates tend to be higher at intersections than on through sections of a road. The separation of left-turning vehicles from through traffic is therefore an important condition for the safe and effective operation of intersections. Existing guidelines for installing left-turn lanes have several limitations. They are mainly based on the traffic volumes at the intersection, and they use deterministic models with fixed gap acceptance and/or left-turn maneuver times. In addition, the guidelines for left-turn lanes for unsignalized intersections and signalized intersections must be specific for the type of intersection. In this study, new left-turn guidelines for both unsignalized and signalized intersections were developed on the basis of well-validated event-based simulation programs. Guidelines for unsignalized intersections were based on the percentage of left turns blocking through vehicles, whereas the guidelines for signalized intersections were developed using a minimum left-turn volume of either 85% left-turn capacity or LOS E delay (55 seconds/vehicle). In addition to the general guidelines, a prioritization tool that can be used to prioritize candidate intersections was developed. The prioritization tool accounts for both operational and safety aspects.
Strategies for Increasing the Effectiveness of Cross Section Changes at Signalized Intersections
Author: J. W. HurleyPublisher:
ISBN:
Category : Highway capacity
Languages : en
Pages : 238
Book Description
Utilization of Additional Through Lanes at Signalized Intersections
Author: Patrick T. McCoyPublisher:
ISBN:
Category : Roads
Languages : en
Pages : 22
Book Description
Roundabouts
Author: Lee August RodegerdtsPublisher: Transportation Research Board
ISBN: 0309155118
Category : Technology & Engineering
Languages : en
Pages : 407
Book Description
TRB's National Cooperative Highway Research Program (NCHRP) Report 672: Roundabouts: An Informational Guide - Second Edition explores the planning, design, construction, maintenance, and operation of roundabouts. The report also addresses issues that may be useful in helping to explain the trade-offs associated with roundabouts. This report updates the U.S. Federal Highway Administration's Roundabouts: An Informational Guide, based on experience gained in the United States since that guide was published in 2000.
Recommended Access Management Guidelines for Texas
Author: William L. EiselePublisher:
ISBN:
Category : Roads
Languages : en
Pages : 144
Book Description
Guidelines for Use of Left-turn Lanes and Signal Phases
Author: H. J. LinPublisher:
ISBN:
Category : Left-turn lanes
Languages : en
Pages : 214
Book Description
Author: 
Author: