A POLICY ON DESIGN STANDARDS - INTERSTATE SYSTEM

This report contains design standards for the interstate highway system under the following headings: General; Design Traffic; Right-of-Way (right-of-way and control of access); Geometric Controls and Criteria (design speed, sight distance, curvature and superelevation, and gradients); Cross Section Elements (number of lanes, width of traffic lanes, shoulders, pavement and shoulder cross slope, sideslopes, medians, horizontal clearance to obstructions, and curbs); Interchanges; and Bridges and Other Structures (general, vertical clearance, cross section, structural capacity, bridges to remain, and tunnels).

• Corporate Authors:

  American Association of State Highway and Transportation Officials (AASHTO)

  444 North Capitol Street, NW
  Washington, DC  United States  20001
• Publication Date: 1988-12

Media Info

• Pagination: 12 p.

Subject/Index Terms

• TRT Terms: Access control (Transportation); Bridges; Cross sections; Curbs; Curvature; Design speed; Design standards; Geometric design; Highway grades; Interchanges; Medians; Right of way (Land); Road shoulders; Sight distance; Slopes; Superelevation; Traffic lanes; Tunnels; Width
• Identifier Terms: American Association of State Highway and Transportation Officials; Interstate Highway System
• Uncontrolled Terms: Access control; Cross-slope; Side slopes
• Old TRIS Terms: Traffic lane width
• Subject Areas: Bridges and other structures; Design; Highways; Planning and Forecasting; I21: Planning of Transport Infrastructure;

Filing Info

• Accession Number: 00482440
• Record Type: Publication
• Files: TRIS
• Created Date: Apr 30 1989 12:00AM