Application Of The Texas Model For Analysis Of Intersection Capacity And Evaluation Of Traffic Control Warrants
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Development, Evaluation and Application of Left Turn Signal Warrants
| Author | : Jonathan Upchurch |
| Publisher | : |
| Total Pages | : 220 |
| Release | : 1991 |
| Genre | : Electronic traffic controls |
| ISBN | : |
This study dealt with five types of left turn signal phasing: permissive, leading exclusive, lagging exclusive, leading exclusive/permissive, and lagging exclusive/permissive. The objectives of this research project were to: (1) develop a research work plan to conduct a statistically valid study for the development of numerical warrants for left turn movements; and (2) prepare a database of available information on signalized intersections and select the intersections to be used in the future study. This report describes the database of Arizona signalized intersections created in this project, the findings on left turn accident rates for different types of left turn phasing (using a nonrandom sample), and results of a validation study of the TEXAS computer simulation model. It also presents a research work plan for a future research project.
Selected Library Acquisitions
| Author | : United States. Department of Transportation |
| Publisher | : |
| Total Pages | : 754 |
| Release | : |
| Genre | : |
| ISBN | : |
Development of an Improved Warrant for Use of Stop and Yield Control at Four-legged Intersections
| Author | : Jonathan Everett Upchurch |
| Publisher | : |
| Total Pages | : 772 |
| Release | : 1982 |
| Genre | : Roads |
| ISBN | : |
Intersection operation under yield, two-way stop and four-way stop control; Texas intersection simulation model to estimate vehicle operating costs, delay and safety.
Very Early Post-tensioning of Prestressed Concrete Pavements
| Author | : J. Scott O'Brien |
| Publisher | : |
| Total Pages | : 188 |
| Release | : 1985 |
| Genre | : Pavements, Concrete |
| ISBN | : |
Dynamic Interpretation of Dynaflect and Falling Weight Deflectometer Tests on Pavement Systems
| Author | : Ko-Young Shao |
| Publisher | : |
| Total Pages | : 82 |
| Release | : 1986 |
| Genre | : Nondestructive testing |
| ISBN | : |
The Dynaflect and the Falling Weight Deflectometer are commonly used for nondestructive testing of pavements. Although in both cases a dynamic load is imparted, the determination of the mechanical properties of the pavement is normally performed by using static analyses. In this study, the displacements obtained from dynamic analyses are compared to those provided by conventional static programs when the subbase is a homogeneous soil stratum of finite depth, resting on a much stiffer rock-like material and when the soil properties increase smoothly with depth, as is often the case.
