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THE 2001 GREEN BOOK
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THE 2001 GREEN BOOK
Changes - Additions
Prepared by:
FHWA - Office of Program Administration
Developed by the AASHTO Task Force on Geometric Design
18 Departments of Transportation
National Association of County Engineers
National League of Cities
American Public Works Association
Port Authority of NY, NJ
Federal Highway Administration
Format
Dual units - Metric [US Customary]
8 ½ x 11 page size
Bound Volume
Exhibits
References Updated
Speed Range 20 to 130 km/h [15 to 80 mph]
Ten Chapters
UNITS
- Not exact (soft) conversion
- Not completely rationalized (hard) conversion
- Units developed independently
- Work in one system only
- Do not convert from one to other
Research - National Cooperative Highway Research Program
375 - Median Intersection Design
383 - Intersection Sight Distance
400 - Stopping Sight Distance
420 - Access Management
439 - Superelevation and Transitions
HCM 2000 - Highway Capacity Manual
Other Research/Publications
241 - Truck Operating Characteristics
264 - Roundabouts
Transportation Research Circular 430 - Interchange Operations
FHWA-RD-97-135 Older Driver Handbook
FHWA-RD-00-067 Roundabouts: An Informational Guide
Chapter 1
Highway FunctionsNo significant changes
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