7.4.6.   MOTOR VEHICLE USE AREA DESIGN CRITERIA
   A.   General
   The includes the parking spaces, ( ), and any areas necessary to provide maneuvering, refuse collection locations, or loading spaces. and screening within the are considered part of the .
   B.   Location
   Required motor vehicle parking must be located on- except as follows.
      1.   Off- Parking
      Off- parking is permitted under the following conditions.
         a.   For outside the , off- parking must be located within 600 feet of the . For in the , off- parking must be located within 1,500 feet of the provided the parking is within the boundaries and is approved by the PDSD . For purposes of this section, the distance between required parking and the use it serves is the walking distance measured along the pedestrian access system from the closest points between the or use and the .
         b.   The off- parking location has parking in excess of the minimum required parking for its use or can demonstrate alternate hours of operation to the use it serves.
         c.   Non-residential uses may not use residentially-zoned property for off- parking.
         d.   A formal written and signed shared parking agreement between the owner(s) of the shared and the owner(s) of the shared parking use in a form approved by the is required.
         e.   The off- meets the design criteria provided in this section.
         f.   When required parking is separated from the by an arterial or , signage directing customers to the nearest legal pedestrian crossing is required.
         g.   Historic Districts. within a historic may apply the location requirements of this section unless different requirements are established specific to that historic .
      2.   Parking for Certain Residential Uses
         a.   Individual Residential
         Visitor parking spaces on individual residential are permitted under the following conditions:
            (1)   At least one visitor parking space is provided on each residential within a ;
            (2)   The visitor parking space is at least eight and one half feet by 18 feet in size; and,
            (3)   The designated visitor parking space(s) is shown on the tentative or , whichever is applicable.
         b.   
         Visitor parking for single- and mobile home dwellings is permitted on- if the is wide enough to accommodate parking on both sides of the .
         c.    Area
         Visitor parking in areas is permitted. Visitor parking spaces must be within 250 feet of the front or side yard of each residential unit.
      3.   
       for motor vehicles are allowed only for:
         a.   Residential Care Services with four or fewer spaces provided;
         b.   Single- residential ;
         c.   Mobile home dwellings;
         d.   Duplexes on individual ;
         e.    ;
         f.   Non-residential uses within to National Register historic districts;
         g.    ; or,
         h.    or Display, when it is accessory to the .
      4.   Overflow Parking
      For uses where the peak parking demand is occasional or seasonal (e.g., shopping centers and golf courses), the Zoning Administrator may allow areas to be converted to overflow for special occasions or high-demand . These areas can retain a natural appearance and be off-limits to vehicles except during these peak periods. Pervious pavement materials that have a decorative or natural appearance may be used.
   C.   Areas That May Not Be Counted As Required Parking
   The following areas are not counted as required parking:
      1.   Spaces in , stacking areas, or car wash ;
      2.   At gasoline pumps or other hose locations;
      3.   Those used for the storage or display of vehicles for sale or rent to the public; and,
      4.   Parking spaces may not be located under, or within five feet of, a vertical line intersecting the ground and any structural element extending from a billboard, including, but not limited to, overhangs, cantilevered beams, and elevated walkways.
   D.   Motor Vehicle Use Area Dimensions
      1.   Motor Vehicle Use Area Dimensions
      The minimum parking space, , , and dimensions are required as follows. Figure 7.4.6-A is to be used in conjunction with Tables 7.4.6-1 & 2 below.
Figure 7.4.6-A: Motor Vehicle Use Area Dimensions
TABLE 7.4.6-1: MOTOR VEHICLE USE AREA DIMENSIONS
A
B1
C
D2
E
F
G
TABLE 7.4.6-1: MOTOR VEHICLE USE AREA DIMENSIONS
A
B1
C
D2
E
F
G
0 (Parallel Parking)3
-
-
-
-
-
-
30
8.51
16.4
12.02
17.0
44.8
37.4
45
8.51
18.7
13.02
12.0
50.4
44.4
60
8.51
19.8
16.02
9.8
55.6
51.4
90
8.51
18.0
24.02
8.5
60.0
-
1 See Section 7.4.6.D.2 for applicable exceptions
2 See Table 7.4.6-2 for applicable exceptions
3 See Section 7.4.6.D.2.c for dimensional requirements
 
 
Table 7.4.6-2: MOTOR VEHICLE USE AREA DIMENSIONS CONTINUED
Use Area Component
Minimum Width
One-way (except when serving a fire lane)
10 feet
One-way or serving as a fire lane
One-way within a Storage Use
Two-way
20 feet
Two-way
24 feet
Two-way or within a Storage Use
30 feet
 
      2.   Exceptions and Additional Dimensional Requirements
         a.   Accessible Parking Space Size
         Parking spaces for must be provided and designed as required by the City of Tucson’s adopted Building Code.
         b.   Minimum Width Requirement When to Barrier
         A motor vehicle space must have a minimum width of ten feet when the side(s) of the parking space abuts a vertical barrier over six inches in height, other than a vertical support for a .
         c.   Parallel Parking Spaces
         A parallel parking space must be eight feet wide and 23 feet in length, except as follows. A parallel parking space can be reduced to 18 feet in length if the space is located immediately to a , , , , or intersection and the parking space is designed to provide maneuvering area on at least one end. must be approved by the Traffic Engineer.
   E.   Additional and Design Criteria
      1.   Intersections
         a.   A minimum unobstructed radius of five feet is required for all intersections, except as follows. A minimum unobstructed radius of 18 feet is required where an or designated as a fire lane or is used to access refuse and/or recycling collection or loading intersects another or .
         b.   All intersection radii must be physically defined by curb or similar material when permanent or fixtures, including , are located to the intersection. In all other instances, the intersection must be delineated, at a minimum, by paint or similar markings.
      2.   Height Clearance
      The minimum height clearance along and is 15 feet, except as follows. The minimum height clearance within parking may be less than 15 feet as permitted by the ’s adopted Building Code.
   F.   Circulation
      1.    Locations
      Each vehicular point to or from a must comply with the regulations as specified in Chapter 25, and , of the Tucson Code.
      2.    from and
         a.    and must be at least one foot from:
            (1)   An , such as a or covered pedestrian access path as measured from the closest part of the or roof overhang; or,
            (2)   A when the or serves as a lane.
         b.    and must be at least two feet from a wall, , or other obstruction over six inches. The additional area is necessary to provide clearance for fire, sanitation, and delivery vehicles.
      3.   Sight Visibility
      Sight visibility at points of , or within the must be provided in accordance with Section 10-01.5.0, Sight Visibility, of the Technical Standards Manual.
      4.   Back-Up Spur (See Figure 7.4.6-B.)
         a.   A back-up spur must be provided at the end of a row of parking if no is provided at that end.
         b.   The spur must be a minimum of three feet in depth and have a three foot radii and a wheel barrier to prevent encroachment onto any unsurfaced areas.
         c.   A minimum distance of three (feet must be provided between the back of spur and any wall, , or other obstruction over six inches in .
Figure 7.4.6-B: Back Up Spur
   G.   Striping
   Parking spaces must be marked with a four inch wide, white stripe along all sides, except at the entrance to the stall or where the limits of the space are defined by other means, such as curbing, except as follows. Striping is not required when is permitted in accordance with Section 7.4.6.B.3, .
   H.   Barriers
      1.   Barriers, such as post barricades or wheel stop curbing, are required in a to prevent vehicles from extending beyond the , to prevent cars from damaging , walls, or , overhanging , and/or driving onto unimproved portions of the .
         a.   Exception
         Barriers are not required to prevent vehicles from overhanging when the is curbed and the applicant can demonstrate that a clearance space of at least four feet in width is provided for pedestrian access. When demonstrating compliance, the applicant must account for a vehicle overhang of two and one-half feet and any other obstructions in the , such as, parking racks, vending machines, and merchandise display space.
      2.   Barriers may not impede pedestrian circulation and accessible routes.
      3.   When required, wheel stop curbing must be a minimum of two and one-half feet from the front of the parking space. (See Figure 7.4.6-C.) Exception: When a tree is located at the edge or between parking spaces, the minimum required vehicle overhang shall be in accordance with Section 5-01.3.3, Vehicle Overhangs, of the Technical Standards Manual.
Figure 7.4.6-C: Wheel Stop Curbing
   I.   Surfacing Requirements
      1.   All must be surfaced with one of the following materials.
         a.   Pervious and impervious asphaltic concrete;
         b.   Pervious and impervious cement concrete;
         c.   A penetration treatment of bituminous material and seal coat of bituminous binder and mineral aggregate; or,
         d.   Alternative surfacing as determined appropriate by the PDSD City Engineer. Exception: for Residential Care Services with four or fewer spaces provided, single- residential , mobile home dwellings, duplexes on individual with four or fewer spaces provided, and are exempt from the surfacing requirements.
      2.   The surface must be maintained in a smooth, durable, and well-drained condition and be kept clear of debris or other accumulated refuse.
   J.   Lighting
   Lighting provided in any or for a must be in compliance with the adopted Outdoor Lighting Code of the City of Tucson.
   K.   Use of or for Maneuvering Area
   A or can not be used for maneuvering directly into or from any parking space located wholly or partially outside the public , except as follows:
      1.   The following uses are permitted to use a or for access and maneuvering:

         a.   Residential uses (including, but not limited to, single-family dwellings, mobile home dwellings, duplexes on individual lots, and Residential Care Services) that require four or fewer off-street motor vehicle parking spaces;

         b.    ; or,

         c.   Non-residential uses within to a National Register Historic District.
      2.   An , when used for access, must be a minimum of 20 feet wide, free of obstructions, and surfaced with a dust control method that is acceptable to the TDOT City Engineer.
      3.   A may be used for maneuvering directly into or from a parking space, provided the parking space is located completely within the and the design of the parking layout is approved by the TDOT City Engineer.
      4.   These exceptions are not applicable on MS&R designated as provided in the .
   L.   Screening and Requirements
      1.    shall be developed in accordance with Section 7.6.4.B, .
(Am. Ord. 11070, 5/14/2013)