Typical Highway Curbs. Designation of Roadside Regions. Typical Frontage Road Arrangements. Effects of Depressing the Roadway. Effects of Elevating the Roadway. Driveway Vertical Alignment and Profile Elements.
Typical Two-Lane Tunnel Sections. Diagrammatic Tunnel Sections. Entrance to a Freeway Tunnel. Interior of a Two-Lane Directional Tunnel. Typical Pedestrian Overpasses on Major Highways.
Curb Ramp Details. Median Refuge. Examples of Sidewalk Curb Ramps. Midblock Bus Turnout. Sawtooth Bus Loading Area. Parking Lane Transition at Intersection. Alley Turnarounds. Potential Road Network. Turnout Design. Transition Zone Areas Arterial Street in a Residential Area. Divided Arterial Street with Parking Lane.
Reserved Bus Lane. Typical Rural Medians. Typical Cross Section for Depressed Freeways. Restricted Cross Sections for Depressed Freeways. Depressed Freeway. Viaduct Freeway. Two-Level Viaduct Freeway. Combination-Type Freeway. Typical Reverse Roadway Terminals. Reverse-Flow Freeway. Dual-Divided Freeway. Typical Dual-Divided Freeway. Bus Stops at Freeway Level. Joint Freeway—Transit Right-of-Way. Example of Transit Station Layout. Freeway with Rail Rapid Transit in the Median. Conflict Points at Various Intersection Types.
Physical and Functional Area of an Intersection. Elements of the Functional Area of an Intersection. General Types of Intersections. Three-Leg Intersections. Channelized Three-Leg Intersections. Channelized Four-Leg Intersections.
Four-Leg Intersections with Skew. Channelized Multilane Four-Leg Intersections. Realigning Multileg Intersections. Typical Mini-Roundabout. Typical Single-Lane Roundabout. Typical Multilane Roundabout. Realignment Variations at Intersections. Approach Sight Triangles at Intersections. Departure Sight Triangles for Intersections. Sight Triangles at Skewed Intersections. Channelized Right-Turn Lanes. Effective Corner Radius. General Types and Shapes of Islands and Medians.
Alignment for Addition of Divisional Islands at Intersections. Details of Divisional Island Design. Vehicular Movements at an Intersection with Jughandle Roadways.
Bidirectional Conventional and Directional Median Openings. Example of a Roundabout in an Urban Area. Example of a Roundabout in a Rural Area. Basic Geometric Elements of a Roundabout.
Roundabout Lane Configuration Example. Path Overlap at a Multilane Roundabout. Intersections with Frontage Roads. Railroad—Highway Grade Crossing.
Interchange Configurations. Multilevel Grade Separation Structures. Lateral Offset for Major Roadway Underpasses. Typical Overpass Structures. Three-Leg Interchanges with Single Structures. Three-Leg Interchanges with Multiple Structures. Three-Leg Interchange Directional Design. Trumpet Freeway-to-Freeway Interchange. Typical Four-Leg Diamond Interchange. Diamond Interchanges, Conventional Arrangements. Diamond Interchanges with Additional Structures. Freeway with a Three-Level Diamond Interchange.
X-Pattern Ramp Arrangement. Underpass Single-Point Diamond Interchange. Underpass and Overpass Diverging Diamond Interchanges.
Partial Cloverleaf Interchange. Directional Interchanges with Weaving Areas. Directional Interchanges with No Weaving. Directional Interchanges with Multilevel Structures. Directional Interchange, Two Semidirect Connections. Four-Level Directional Interchange. Directional Interchange with Semidirect Connection and Loops. Offset Interchange via Ramp Highway. Cloverleaf Interchange with Semidirect Connection.
Complex Interchange Arrangement. Widening for Divisional Island at Interchanges. Interchange Spacing as Measured between Successive Crossroads Arrangement of Exits between Successive Interchanges.
Interchange Forms to Maintain Route Continuity. Schematic of Basic Number of Lanes. Typical Examples of Lane Balance. Interchange Forms with One and Two Exits. General Types of Ramps. Ramp Shapes. Typical Exit Gore Area Characteristics. Typical Gore Details. Traveled-Way Narrowing on Entrance Ramps. Gore Area, Single-Lane Exit.
Gore Area, Major Fork. Gore Area, Two-Lane Exit. Entrance Terminal. Recommended Minimum Ramp Terminal Spacing. Ramp Spacing Dimension. Typical Single-Lane Entrance Ramps. Exit Ramps—Single Lane. Parallel-Type Ramp Terminals on Curves. Typical Two-Lane Entrance Ramps. Two-Lane Exit Terminals. Major Forks. Branch Connections. Corresponding Design Speeds in Metric and U.
Customary Units. General Definitions of Levels of Service. Guidelines for Selection of Design Levels of Service. View Section, Preface. View Section, Table of Contents. View Section, 1. Highway Functions. View Section, 2. Design Controls and Criteria. View Section, 3. Elements of Design. View Section, 4. Cross Section Elements. View Section, 5. Local Roads and Streets. View Section, 6. Collector Roads and Streets. View Section, 7. Rural and Urban Arterials. View Section, 8. View Section, 9.
View Section, Grade Separations and Interchanges. View Section, Index. All rights reserved. View In: Mobile Desktop.
The objective of this study was to identify and summarize a sample of roadway geometric design literature completed and published during that time, particularly research that identified safety, operations, and maintenance impacts. A national literature review repre- sented the vast majority of the effort for this synthesis study.
Summary of findingS The body of this report has five primary chapters, in addition to the introductory chapter and this concluding chapter. In addition to the technical corrections, two unfortunate errors occurred in the front matter of the Green Book.
Used once for PE and was essential for the exam. I got them from work and used it for the PE. However, it seems JavaScript is either disabled or not supported by your browser. This edition presents an updated framework for geometric design that is more flexible, multimodal, and performance-based than in the past. Regardless of the editions, if the old edition is a good one, then use it.
Department of Transportation in cooperation with the State highway departments. The Secretary has delegated this authority to the Federal Highway Administrator. FHWA contributes to the development of the design standards through membership on these working units, sponsoring and participating in research efforts, and many other initiatives.
Following development of the design standards, FHWA uses a formal rulemaking process to adopt those it considers suitable for application on the NHS. Title 23 USC provides that projects other than highway projects on the NHS shall be designed, constructed, operated, and maintained in accordance with State laws, regulations, directives, safety standards, design standards, and construction standards.
Excellence in Highway Design. Levertijd: 1 dag Soort: pdf Taal: Engels. Buy Now. It provides guidance to engineers and designers who strive to make unique design solutions that meet the needs of highway and street users on a project-by-project basis. Contents of this web site may not be reproduced or divulged outside the intended organization without the express written permission of AASHTO.
All sales in download, web-based, and eBook formats are final: there are no refunds on electronic items and eBooks cannot be exchanged for other formats. Technical Committee on Geometric Design 6.
PDF format. Task Panel 5.
0コメント