Maryland Department of Transportation State Highway Administration

MDOT SHA Access Manual - Geotechnical Guidance

Standard Pavement Sections for Routine Site Access Improvements Only

Note: Refer to the Access Manual 5.8.2 for limitations in applicability of these paving sections. The latest Standard and Supplemental Specifications and Provisions 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
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