State Highway Access Manual - Geotechnical Guidance

Standard Pavement Sections for Routine Site Access Improvements Only

Note: Refer to 7.2 for the definition of “Routine Site Access Improvements” and refer to 15.8.2 for limitations in applicability of these paving sections. The latest Standard and Supplemental Specifications and Provisions shall apply

Light Duty Pavement Sections

Functional Classification: Collector or lower AND ADT: 10,000 or less
A 1.5” Superpave Asphalt Mix 9.5mm for Surface – PG 64S-22, Level 2
6” Superpave Asphalt Mix 19.0mm for Base – PG 64S-22, Level 2 (Two 3” lifts)
6” Graded Aggregate Base or 12” Capping Borrow
B 7” Portland Cement Concrete Mix #7
6” Graded Aggregate Base or 12” Capping Borrow
Refer to Std. No. MD 577.07 for joints. No steel is required.

Moderate Duty Pavement Sections

Functional Classification: Minor Arterial OR ADT: 10,000 to 30,000
C 2” Superpave Asphalt Mix 12.5mm for Surface – PG 64S-22, Level 2
2” Superpave Asphalt Mix 12.5mm for Surface – PG 64S-22, Level 2
7” Superpave Asphalt Mix 19.0mm for Base – PG 64S-22, Level 2 (2 – 3.5” lifts)
6” Graded Aggregate Base or 12” Capping Borrow
D 8” Portland Cement Concrete Mix #7
6” Graded Aggregate Base or 12” Capping Borrow
Refer to Std. No. MD 577.07 for joints. Refer to Std. Nos. 572.21, 572.61, and 572.61-01 for steel requirements.

Heavy Duty Pavement Sections

Functional Classification: Principal Arterial OR ADT: 30,000 or greater
E 2” Superpave Asphalt Mix 12.5mm for Surface – PG 64S-22, Level 2
8” Superpave Asphalt Mix 19.0mm for Base – PG 64S-22, Level 2 (2 – 4” lifts)
6” Graded Aggregate Base or 12” Capping Borrow
F 9” Portland Cement Concrete Mix #7
6” Graded Aggregate Base or 12” Capping Borrow
Refer to Std. No. MD 577.07 for joints. Refer to Std. Nos. 572.21, 572.61, and 572.61-01 for steel requirements.

Miscellaneous Pavement Specifications

Concrete Entrances Refer to Std. Nos. MD 630.01, 630.02, and 630.03
Temporary Stabilized Construction Entrances 8” of 2” (nominal) stone, or reclaimed/recycled concrete equivalent, placed on filter cloth.
Overlay
  • Superpave Asphalt Mix 9.5mm – PG 64S-22, Level 2 for 1.5” overlays
  • Superpave Asphalt Mix 12.5mm – PG 64S-22, Level 2 for 2” overlays
  • Match the surface course specified for the adjacent full-depth paving if different from the above.
Wedge/Level Course
  • Superpave Asphalt Mix 9.5mm – PG 64S-22, Level 2 for lifts up to 2”
  • Superpave Asphalt Mix 19.0mm – PG 64S-22, Level 2 for lifts thicker than 2”
Pavement Patching
  • Superpave Asphalt Mix 19.0mm – PG 64S-22, Level 2 for asphalt surfaces
  • Portland Cement Concrete Mix #9 for concrete surfaces

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