Transcription of HIGHWAY DESIGN MANUAL Chapter 7
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HIGHWAY DESIGN MANUAL Chapter 7
HIGHWAY DESIGN MANUAL Chapter 7 Resurfacing, Restoration, and Rehabilitation (1R, 2R and 3R) Revision 98 (Limited Revision) September 16, 2021 Issued by engineering Bulletin 21-045 Effective with DESIGN Approval on or after Jan. 1, 2022 RESURFACING, RESTORATION, AND REHABILITATION 7-1 EB 21-045 01/01/2022 Section Changes Exhibit 7-8 Note 3 was edited to change the minimum wide curb lane width ( , shared lane width) from 12 ft. to 13 ft. This ensures consistency with HDM Ch 2, which sets the minimum shared lane width at 13 ft. Exhibit 7-10 Ramp Critical DESIGN Elements Based on "Standards of the Day": separate values provided for left shoulder width with 2 lanes in one direction and for 3 lanes in one direction Section New section added on Potential 2R and 3R Efficiencies.
Sep 16, 2021 · Other chapters and Engineering Instructions continue to provide requirements and guidance for design elements not modified by this chapter, such as asset management, pavement evaluation, pavement design, traffic control devices, guide rail, accommodation of pedestrians and bicyclists, drainage, utilities, landscaping, driveways, etc.
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