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Author : John Michael Mason
Publisher :
ISBN 13 :
Total Pages : 180 pages
Book Rating : 4.3/5 (91 download)
Download or read book Operational and Geometric Evaluation of Exclusive Truck Lanes written by John Michael Mason and published by . This book was released on 1986 with total page 180 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Lester A. Hoel
Publisher :
ISBN 13 :
Total Pages : 106 pages
Book Rating : 4.3/5 (91 download)
Download or read book Exclusive Lanes for Trucks and Passenger Vehicles on Interstate Highways in Virginia written by Lester A. Hoel and published by . This book was released on 1997 with total page 106 pages. Available in PDF, EPUB and Kindle. Book excerpt: Increases in heavy truck traffic on Virginia's highways in recent years have raised concerns about both safety and capacity, particularly on the interstate system. Transportation agencies have developed a number of strategies for dealing with the impacts on safety and capacity of a truck population that has been increasing in volume and in the percentage of large tractor-trailers. One strategy that has been suggested is separate lanes for trucks and passenger vehicles. A reliable methodology to determine when separate lanes for trucks and passenger vehicles are economically feasible would enable transportation officials to make informed decisions concerning when this approach should be considered and used. This study evaluated a computer program, Exclusive Vehicles Facilities (EVFS), developed by the Federal Highway Administration for determining the economic feasibility of separating trucks and other vehicles on freeway segments. A 50.7-km (31.5-mi) segment of 1-81 in Virginia was selected to demonstrate the application of the program. A number of factors contribute to the feasibility of exclusive lanes. Although no single factor predominates, traffic volume, vehicle mix percentage, accident rates, and maintenance and construction costs are given more weight than other factors in the program. Among the program's strengths are its ability to analyze a number of alternatives for a variety of different conditions, its ease of use, and the fact that it can be inexpensively applied. Its weaknesses include its inability to differentiate between the lane(s) (i.e., inside, middle, outside) to which restrictions are applied and its unsuitability for analyzing exclusive lane alternatives in which a barrier is used to separate vehicle types. With respect to 1-81, several exclusive lane strategies produced a benefit-cost ratio greater than 1.0 and a net present worth in the millions of dollars. Should 1-81 or another high-volume interstate corridor with a large truck percentage be considered for improvement, VDOT should apply EVFS to assist in evaluating the feasibility of exclusive lane alternatives. Since EVFS is designed to perform economic analyses, operational and geometric implications of any exclusive lane strategy should also be considered.
Author : Jodi Louise Carson
Publisher :
ISBN 13 :
Total Pages : 176 pages
Book Rating : 4.3/5 (555 download)
Download or read book Monitoring and Evaluating Managed Lane Facility Performance written by Jodi Louise Carson and published by . This book was released on 2005 with total page 176 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Qun Liu
Publisher :
ISBN 13 :
Total Pages : 180 pages
Book Rating : 4.3/5 (555 download)
Download or read book Identifying the Impact of Truck-lane Restriction Strategies on Traffic Flow and Safety Using Simulation written by Qun Liu and published by . This book was released on 2007 with total page 180 pages. Available in PDF, EPUB and Kindle. Book excerpt: The continuous growth of freight transportation over recent years has resulted in an increasing proportion of commercial vehicles on our nations' highways which has led to higher truck volumes and more severe truck-related crashes every year. Safety proponents have therefore been advocating for more restrictions to be placed on these commercial vehicles in order to reduce the interaction of these larger vehicles and passenger cars. A popular strategy is the use of different lane restrictions for trucks. However, the effectiveness of these restrictions for trucks differs from case to case due to unique factors of each site, including the type of restriction used, traffic conditions and the geometric characteristics at the site. This has motivated the author to conduct this study to evaluate the impact of these restrictions on traffic operations and safety on freeways with different traffic and geometric characteristics. For the safety evaluation, this research measures the impact of different truck lane restriction strategies (TLRS) using conflict as the measurement of effectiveness (MOE). Conflict has been proven to be highly related to traffic crushes on freeways (FHWA, 1990; Sayed and Zein, 1999; Kaub, 2000). The high frequency of conflicts has also made it possible to collect adequate data for statistical analysis. The MOEs used to evaluate the impact of different lane restrictions on operational performance were lane changes, average speed, speed distribution, and volume distribution. Due to the lack of existing highway locations with different lane restrictions considered in this study, the conflict data were collected using a traffic simulation tool - PARAMICS V3.0 (Quadstone Ltd., 2000), which can simulate the emergent interaction between vehicles but not random crashes on the road network. The effectiveness of different lane restrictions in terms of the above MOEs were evaluated for 14,400 different simulation scenarios by varying lane restriction strategies, traffic conditions (volume, truck percentage) and geometric characteristics (gradient, speed limit, interchange density). The simulation results showed that all the geometric and traffic characteristics had a significant impact on freeway safety and operation. In addition, truck percentage and volume were identified as key factors that had a significant impact on the selection of the optimal truck lane restriction strategy. The ANOVA analyses indicated that the degree of effect of truck lane restriction strategies on safety intensify with the increase in truck percentage and traffic volume. Optimal alternatives of truck lane restriction strategies under different truck percentages and volumes were identified with the objective of reducing traffic conflicts and enhancing LOS (level of service). Guidelines were then developed for the application of truck lane restrictions under alternative traffic and geometric conditions.
Author :
Publisher :
ISBN 13 :
Total Pages : 56 pages
Book Rating : 4.3/5 (555 download)
Download or read book Highway Requirements for Freight Movement written by and published by . This book was released on 1988 with total page 56 pages. Available in PDF, EPUB and Kindle. Book excerpt: Truck size and weight regulations considering policy alternatives including separate roads or truck lanes.
Author :
Publisher :
ISBN 13 :
Total Pages : 562 pages
Book Rating : 4.3/5 (555 download)
Download or read book The Future National Highway Program 1991 and Beyond written by and published by . This book was released on with total page 562 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Jack Lamkin
Publisher :
ISBN 13 :
Total Pages : 160 pages
Book Rating : 4.3/5 (555 download)
Download or read book The Feasibility of Exclusive Truck Lanes for the Houston-Beaumont Corridor written by Jack Lamkin and published by . This book was released on 1987 with total page 160 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Charles Taylor Mansfield
Publisher :
ISBN 13 :
Total Pages : 446 pages
Book Rating : 4.:/5 (865 download)
Download or read book Evaluation of Exclusive Heavy-vehicle Lanes on the Interstate Highway 35 Corridor in Austin, Texas written by Charles Taylor Mansfield and published by . This book was released on 2013 with total page 446 pages. Available in PDF, EPUB and Kindle. Book excerpt: The purpose of this study is to evaluate potential travel time impacts of the implementation of exclusive heavy-vehicle lanes on the Interstate Highway 35 (IH 35) corridor, in the Austin metropolitan area. The analysis considers heavy vehicles (trucks) and non-heavy vehicles (cars) as separate system elements and as an integrated system. The study modeled traffic operations on IH 35, during the AM and PM peak hours, under two traffic scenarios, Existing and Inside Truck-Only Lanes using the software VISSIM 5.4. The limits of the study are FM 1431 in Round Rock, on the north, and SH 45 near Buda, on the south. The Existing scenario modeled traffic operations under current IH 35 geometric conditions and traffic control rules, in which trucks are prohibited from the inside lane and cars are allowed in all lanes. The Inside Truck-Only Lanes scenario modeled traffic operations under the assumption that trucks are restricted to the inside lane only and cars are prohibited from the inside lane. Travel times across the study area corridor were measured in the models to compare the performance of the Inside Truck-Only Lanes scenario relative to the Existing scenario.
Author :
Publisher :
ISBN 13 :
Total Pages : 198 pages
Book Rating : 4.3/5 (121 download)
Download or read book Gearing Up for Safety written by and published by . This book was released on 1988 with total page 198 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : John Michael Mason
Publisher :
ISBN 13 :
Total Pages : 88 pages
Book Rating : 4.3/5 (91 download)
Download or read book Geometric Design Considerations for Separate Truck Lanes written by John Michael Mason and published by . This book was released on 1986 with total page 88 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Judith L. Mwakalonge
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (173 download)
Download or read book Evaluation of Truck Lane Restriction on Non-limited Access Urban Arterials written by Judith L. Mwakalonge and published by . This book was released on 2007 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The objective of this study was therefore to evaluate the influence of various geometric, traffic, and signalization factors that might affect the effectiveness of truck lane restriction on non-limited access highways, primarily on urban arterial roadways with significant amount of truck traffic. Because of lack of sufficient sites to conduct a longitudinal field study, VISSIM simulation software was used to evaluate operational and safety effects of truck lane restriction by varying various parameters related to the restriction. A 5-mile section of SR 70 in Fort Pierce, Florida was selected for simulation analysis. Furthermore, a network consisting of 22 roadway sections with 121 signalized intersections was simulated.
Author :
Publisher :
ISBN 13 :
Total Pages : 616 pages
Book Rating : 4.3/5 (555 download)
Download or read book Transportation Research Record written by and published by . This book was released on 1997 with total page 616 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 552 pages
Book Rating : 4.3/5 (555 download)
Download or read book SR-73 Extension, San Joaquin Hills Transportation Corridor, Between I-5, San Juan Capistrano, and Jamboree Road, Newport Beach, Orange County written by and published by . This book was released on 1992 with total page 552 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Institute of Transportation Engineers. Meeting
Publisher :
ISBN 13 :
Total Pages : 642 pages
Book Rating : 4.3/5 (555 download)
Download or read book Compendium of Technical Papers written by Institute of Transportation Engineers. Meeting and published by . This book was released on 1991 with total page 642 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Renatus Mussa
Publisher :
ISBN 13 :
Total Pages : 226 pages
Book Rating : 4.:/5 (1 download)
Download or read book Quantify the Effects of Raising the Minimum Speed on Rural Freeways and the Effects of Restricting the Truck Lanes Only in the Daytime written by Renatus Mussa and published by . This book was released on 2004 with total page 226 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : National Cooperative Highway Research Program
Publisher : Transportation Research Board
ISBN 13 : 0309087686
Total Pages : 92 pages
Book Rating : 4.3/5 (9 download)
Download or read book Geometric Design Consistency on High-speed Rural Two-lane Roadways written by National Cooperative Highway Research Program and published by Transportation Research Board. This book was released on 2003 with total page 92 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Bruce N. Janson
Publisher :
ISBN 13 :
Total Pages : 292 pages
Book Rating : 4.3/5 (555 download)
Download or read book Effects of Geometric Characteristics of Interchanges on Truck Safety written by Bruce N. Janson and published by . This book was released on 1999 with total page 292 pages. Available in PDF, EPUB and Kindle. Book excerpt:
