Table 18.42.020
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Land Use
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Estimated Weekday Vehicle Trip Generation Rate
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Agricultural (Open space)
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2/acre
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Airports
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Commercial
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12/acre, 100/flight, 70/1,000 sq. ft.
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General aviation
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4/acre, 2/flight, 6/based aircraft
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Heliports
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100/acre
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Automobile
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Car wash
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900/site, 600/acre
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Gasoline
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750/station, 130/pump
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Sales (Dealer and repair)
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40/1,000 sq. ft., 300/acre, 60/service stall
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Auto repair center
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20/1,000 sq. ft., 400/acre, 20/service stall
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Banking
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Bank (Walk-in only)
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150/1,000 sq. ft., 1,000/acre
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Bank (with drive-through)
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200/1,000 sq. ft., 1,500/acre
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Drive-through only
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300 (150 one-way)/lane
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Savings and Loans
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60/1,000 sq. ft., 600/acre
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Drive-through only
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100 (50 one-way)/lane
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Cemeteries
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5/acre
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Church (or Synagogue)
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15/1,000 sq. ft., 40/acre (triple rates for Sunday, or days
of assembly)
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Commercial/retail centers
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Super regional shopping center (more than 60 acres,
more than 600,000 sq. ft., with usually 3+ major stores)
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40/1,000 sq. ft., 400/acre
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Regional shopping center (30—60 acres, 300,000—600,000
sq. ft., with usually 2+ major stores)
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50/1,000 sq. ft., 500/acre
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Community shopping center (10—30 acres, 100,000—300,000
sq. ft., with usually 1 major store and detached restaurant)
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70/1,000 sq. ft., 700/acre
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Neighborhood shopping center (less than 10 acres,
less than 100,000 sq. ft., with usually a grocery store and drug store)
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120/1,000 sq. ft., 1,200/acre
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Commercial shops (also strip—commercial)
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40/1,000 sq. ft., 400/acre
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Grocery store
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150/1,000 sq. ft., 2,000/acre
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Convenience market
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500/1,000 sq. ft.
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Discount
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70/1,000 sq. ft., 700/acre
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Furniture store
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6/1,000 sq. ft., 100/acre
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Lumber store
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30/1,000 sq. ft., 150 acre
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Hardware/paint store
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60/1,000 sq. ft., 600/acre
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Garden nursery
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40/1,000 sq. ft., 90/acre
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Education
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University (4 years)
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2.5/student, 100/acre
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Junior college (2 years)
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1.6 student, 80/acre
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High school
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1.4 student, 50/acre
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Middle/Junior High
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1.0 student, 40/acre
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Elementary
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1.4 student, 60/acre
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Day care
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3/child, 70/1,000 sq. ft.
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Hospitals
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General
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20/bed, 20/1,000 sq. ft., 200/acre
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Convalescent/Nursing
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3/bed
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Industrial
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Industrial/Business park (commercial included)
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16/1,000 sq. ft., 200/acre
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Industrial park (no commercial)
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8/1,000 sq. ft., 90/acre
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Industrial park (multiple shifts)
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10/1,000 sq. ft., 120/acre
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Manufacturing/Assembly
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4/1,000 sq. ft., 60/acre
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Warehousing
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5/1,000 sq. ft., 60/acre
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Storage
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2/1,000 sq. ft., 0.2/vault, 30/acre
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Science, research and development
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8/1,000 sq. ft., 80/acre
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Library
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40/1,000 sq. ft., 400/acre
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Lodging
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Hotel (with convention facilities/restaurant)
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10/room, 300/acre
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Motel
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9/room, 200/acre
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Resort hotel
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8/room, 100/acre
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Military
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2.5 military and civilian personnel
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Offices
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Standard commercial office (less than 100,000 sq.
ft.)
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20/1,000 sq. ft., 300/acre
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Large (high-rise) commercial office (more than 100,000
sq. ft.)
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17/1,000 sq. ft., 600/acre
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Standard commercial office (less than 100,000 sq.
ft.)
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20/1,000 sq. ft., 300/acre
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Corporate office (single user)
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10/1,000 sq. ft., 140/acre
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Government office (single user)
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30/1,000 sq. ft.
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Post office
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150/1,000 sq. ft.
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Department of motor vehicles
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180/1,000 sq. ft., 900/acre
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Medical
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50/1,000 sq. ft., 500/acre
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Parks
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City (developed)
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50/acre
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Regional (undeveloped)
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5/acre
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Neighborhood
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5/acre
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Amusement (theme)
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80/acre, 130/acre (summer only)
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San Diego Zoo
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115/acre
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Sea World
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80/acre
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Recreation
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Beach, ocean or bay
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600/1,000 ft. shoreline, 60/acre
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Beach, lake (fresh water)
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50/1,000 ft. shoreline, 5/acre
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Bowling center
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30/lane, 300/acre
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Campground
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4/campsite
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Golf course
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8/acre, 600/course
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Marinas
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4/berth, 20/acre
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Racquetball/health club
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40/1,000 sq. ft., 300/acre, 40/court
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Tennis courts
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30/1,000 sq. ft., 30/court
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Sports facilities
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Outdoor stadium
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50/acre, 0.2/seat
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Indoor arena
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30/acre, 0.1/seat
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Racetrack
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40/acre, 0.6/seat
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Theaters (multiplex)
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80/1,000 sq. ft., 1.8/seat
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Residential (See Note 1)
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Single-family detached
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10/dwelling unit
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Condominium
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8/dwelling unit
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Apartments
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6/dwelling unit
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Mobile home
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Family
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5/dwelling unit, 40/acre
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Adults only
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3/dwelling unit, 20/acre
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Retirement community
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4/dwelling unit
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Rural estate
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12/dwelling unit
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Congregate care facility
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2/dwelling unit
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Restaurants (See Note 2)
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Quality
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100/1,000 sq. ft., 500/acre
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Sit-down, high turnover
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300/1,000 sq. ft., 1,200/acre
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Fast food (with drive-through)
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700/1,000 sq. ft., 3,000/acre
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Transportation facilities
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Bus depot
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25/1,000 sq. ft.
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Truck terminal
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10/1,000 sq. ft., 60/acre
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Waterport
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170/berth, 12/acre
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Transit station (rail)
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300/acre
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Note 1
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As used in this table, "single-family detached," "condominium"
and "apartments" shall be defined consistent with the Institute of
Transportation Engineers guidebook "Trip Generation." "Condominium"
is defined as single family ownership units that have at least one
other single-family owned unit within the same building structure.
"Apartments" are defined as rental dwelling units located within the
same building as at least three other dwelling units. Duplexes that
are not individual ownership units will be assessed at the "condominium"
generation rate.
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Note 2
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Square footage of dining area allowed in incidental outdoor dining areas pursuant to Section 21.26.013, and square footage of dining area allowed without any parking requirement in outdoor, sidewalk or curb cafes, as defined by and pursuant to the Village and Barrio Master Plan and the City Council, shall not count towards the generation of trips. However, any combination of outdoor dining area square footage which exceeds the amount of indoor dining area square footage shall count towards the generation of trips.
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