Alternative transportation - parking capacity | U.S. Green Building Council
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LEED BD+C: Core and Shell | v2 - LEED 2.0

Alternative transportation - parking capacity

SSc4.4 | Possible 1 point


Reduce pollution and land development impacts from single occupancy vehicle use.


Option 1 — non-residential
  • Size parking capacity to not exceed minimum local zoning requirements.


Option 2 — non-residential

For projects that provide parking for less than 3% of FTE building occupants:

  • Provide preferred parking for carpools or vanpools, marked as such, for 3% of total provided parking spaces.
  • OR

    Option 3 — residential
    • Size parking capacity to not exceed minimum local zoning requirements, AND, provide infrastructure and support programs to facilitate shared vehicle usage such as carpool drop-off areas, designated parking for vanpools, or car-share services, ride boards, and shuttle services to mass transit.


    Option 4 — all

    Provide no new parking.


    “Preferred parking” refers to the parking spots that are closest to the main entrance of the project (exclusive of spaces designated for handicapped) or parking passes provided at a discounted price.

    See Appendix 1 – Default Occupancy Counts for occupancy count requirements and guidance.

    When parking minimums are not defined by relevant local zoning requirements, or when there are no local zoning requirements, either:

    A) Meet the requirements of Portland, Oregon, Zoning Code: Title 33, Chapter 33.266 (Parking and Loading)

    OR, if this standard is not appropriate for the building type,

    B) Install 25% less parking than the building type's average listed in the Institute of Transportation Engineers' Parking Generation study, 3rd Edition.

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