Parking Generation AnalysisStorrs Center

CE 2710January 2014

On-street parking facilities:

Off-street parking facilities:

Private vs. Public

Surface lots vs. garages

Self-parking vs. Valet-parking

Parking alongside the curb

Parking Facility Types

How much parking is needed for a new development?

• Common Method:

– Demand Estimation

– Building Parking

The Institute of Transportation Engineers

Land Use data From Master Plan

Area Amount of Each

Land Use

ITE :Parking Rate for Each

Land Use

Estimation Parking

Requirements

Parking Generation Manual-4th Edition 2010

• Parking generation data for 106 land usesLand Use Code

Port and Terminal 0Industrial/Agriculture 100

Residential 200Lodging 300

Recreational 400Institutional 500

Medical 600Office 700Retail 800

Services 900

Parking Generation Manual-4th Edition 2010

• Contains:– average rates, – ranges of rates,– 85th percentile rates, – 33rd percentile rates,– and equations (regression) in some cases.

Elements of the Manual

• Land Use: 106 land use ( recreational, residential, shopping areas,….)

• Units: Seats, Square Feet,…

• Time in the week: Weekday/Weekend

• Location: Urban/Suburban/Rural

Example

• Single Land Use

• Inattention other transportation alternatives

• Transferability: Samples are gathered by numerous individuals from a range of locations, years, and time periods

• Limited data for some land uses : At least for more than 30 land uses the sample size is lower than 4 samples.

Limitations

Potential Consequences

• Oversized and Unused Parkings

• Discourage Walking and Biking

• Create Storm Water Problem

• Increase Costs for New Businesses

STORRS CENTER PARKING DEMAND ANALYSIS

Pre Development Parking Conditions

Land Use Data

Land Use Phase 1 A Phase 1 B

Area (SF) Unit Area (SF) Unit

General Residential 127 287

Restaurant: Sit Down 8,895 8,895

Restaurant: Fast Food 8,055 9,910

Office 5,007 5,007

Community Shopping 5,038 45,918

ITE Suggestions

Code Unit Weekday Weekend

General Residential 224 Dwelling Unit

1.76 1.76

Restaurant: Sit Down 932 KSF 6.37 6.37

Restaurant: Fast Food 933 KSF 12.33 11.25

Office 701 KSF 2.98 0.45

Community Shopping 820 KSF 5.05 4.94

85th Percentile

ITE Suggestions

Code Unit Weekday Weekend

General Residential 224 Dwelling Unit

1.62 1.62

Restaurant: Sit Down 932 KSF 5.55 5.55

Restaurant: Fast Food 933 KSF 8.2 7.4

Office 701 KSF 2.47 0.4

Community Shopping 820 KSF 3.78 3.05

Average