Traffic Assessment - Renfrewshire Council

Table 6.1 Parking Provision Guidelines
Parking Ratio
Land Use Approx. Scale SPP SRC (1986)
Foodstore 6,000m 2 GFA 1 space / 14m 2 GFA 7 / 100m2 GFA
Individual retail / 840m
commercial units
2 GFA N/A 5 / 100m2 GFA
Library / learning
resource centre and
public realm
585 – 715m 2 GFA N/A 3 space / 100m2 + 1
space per 3 staff
Note: SPP are maximum guidelines while it is understood SRC are generally minimum for individual units.
6.8 In terms of the proposed village core, a number of factors need to be considered when calculating
the required number of parking spaces. These include ‘pass-by’ trips from the park and ride, the
propensity for shared trips between each element and the over arching need to provide an
attractive and sustainable village centre.
6.9 When calculating the vehicle trip generation for the proposed foodstore, a 30% level of pass-by has
been agreed with Renfrewshire Council which is generally a mix of employment trips from Dargavel
and return trips from the park and ride. For the purposes of this calculation, we have assumed that
10% of the trips to the foodstore could be from the park and ride.
6.10 Shared trips (also known as linked trips) occur when individuals visit more than one facility on the
development site or a number of facilities in relative proximity such as a town centre during a single
trip.
6.11 The ability to undertake linked trips depends on the following interrelated factors:
• The extent to which the development complements the town centre;
• The distance and physical linkages between the two;
• The relative size of the centre as compared with the development; and
• Accessibility parking and orientation of the development.
6.12 Various bodies of research into the traffic characteristics for town centre developments have
previously been undertaken including Kittelson & Lawton (1987), Dickinson and MacIver (1990)
and Kamali and Crow (1989) which are still relevant today. Table 6.2 below indicates the proportion
of shared trips concluded from each research study.
Job No Report No Issue no Report Name Page
SCT3526 1 1 Dargavel Village
Proposed Village Core Development
33