A guide about designing highways that incorporate community values and are safe, efficient, and effective. It is written for highway engineers and project managers who want to learn more about flexibility available to them when designing roads and illustrates successful approaches used in other highway projects. The guide aims also at provoking innovative thinking for fully considering the scenic, historic, aesthetic, and other cultural values of communities, along with safety and mobility needs. A guide about designing highways that incorporate community values and are safe, efficient, and effective. It is written for highway engineers and project managers who want to learn more about flexibility available to them when designing roads and illustrates successful approaches used in other highway projects. The guide aims also at provoking innovative thinking for fully considering the scenic, historic, aesthetic, and other cultural values of communities, along with safety and mobility needs.

External Links:

More Information: www.fhwa.dot.gov/environment/flex/index.htm

Further Reading:

Flexibility in Highway Design

• Carson Street Reconstruction
• East Main Street Reconstruction
• Historic Columbia River Parkway
• Merrit Parkway
• Route 9 Reconstruction
• State Route 89--Emerald Bay, South Lake Tahoe
• US Route 101-Lincoln Beach Parkway

• Approach and Core Principles of CSS Design
• Bridge Design Elements: Introduction
• Considering Scale
• Context Assessment
• Cross-Section Elements: Bicycles
• Cross-Section Elements: Clear Zones
• Cross-Section Elements: Curbs
• Cross-Section Elements: Introduction
• Cross-Section Elements: Landscape Design and Plants
• Cross-Section Elements: Lane Width
• Cross-Section Elements: Medians
• Cross-Section Elements: Shoulders
• Cross-Section Elements: Traffic barriers
• Cross-Section Elements: Transit
• Cross-Section Elements: Travel Lanes
• Cross-Section Elements: Trees
• Cross-Section Elements: Utilities
• Cross-Section: Restricted Right-of-Way
• Design Controls
• Design of Cross-Section Details
• Design Speed
• Detailing the Design
• Elements of a Succesful Process
• Final Design
• Final Design - Basics
• Functional Classification of Facilities
• General Guidelines for the Geometrics of Bridge Design
• Horizontal and Vertical Alinement
• Peak-Hour Level of Service
• Project Development
• Right-of-Way, Construction and Maintenance
• Road Width
• Sidewalks and Pedestrian Paths
• Stages of Highway Development
• The AASHTO Green Book
• The Design Exception Process
• Tort Liability
• Types of Highway Improvement Projects
• What the Green Book Does Not Contain