Step 1: Enter a location

Streets
Transit
Bike
Map Layers
Map theme name
  • < 50,000
  • 50,000-100,000
  • 100,000-200,000
  • 200,000-300,000
  • 300,000-400,000
  • 400,000-500,000
  • 500,000-600,000
  • 600,000 +

Step 3: Tell us about the project

Enter details on your proposed residential project, or create a hypothetical one, to explore how a variety of project characteristics change the amount of driving, greenhouse gas emissions and parking.

Start by selecting one or more parcels on the map above.

Building

How many housing units will there be?

Total units ? 

Customize units

Q: Why does the unit field auto-fill?

A: Once you pick a parcel Connect uses that parcel's county to auto-fill the "average" building size in that county by unit count. This is also how the building defaults are auto-filled in "Customize Units" drop-down. Mix of Unit sizes by bedroom and average rents are based on PUMS data for this county.

Predicted parking use

2.2 parking spaces per unit is used by default.

Customize your baseline comparison with the locally adopted parking requirement.

This number affects the parking construction and space saved or lost compared to your project’s predicted parking use.

Low impact parking estimate:
- - spaces

 ? 

Predicted parking use

Total number of parking spaces estimated based on your building's location and total units.

This is also affected by the average rent and unit size included in building.

Learn more:

Methods | GreenTRIP parking database

Enter your own parking

Place type (optional)

Interested in GreenTRIP certification? Please select the place type that best fits your project.

See examples

Affordable housing

Will there be affordable units?  ? 

GreenTRIP strategies

Will there be a charge for parking?  ? 

Will (are) the following transportation benefits be offered to future (current) project residents?

Resident transit passes  ? 

Car sharing memberships  ? 

Bike sharing memberships  ? 

Municipal parking requirement

Required parking: spaces/unit  ? 

GreenTRIP Connect dashboard for your project

Project characteristics

Building: --- units (default)

Parking proposed: --- spaces (default)

Density: --- units/acre

Parking ratio: --- spaces/unit

GreenTRIP
Certification
ready?

Comparison snapshot

per unit building totals
per day per year

Driving
miles/day

Greenhouse gases
kg CO2/day

Parking spaces
predicted use

if built in an average location in the

County

Results as if a building were located in the average place in the county (default comparison) with your inputs (or County defaults) for number of units, bedrooms, and rents.

Select city, county, or region to change the average location to which your project is compared. Turn on relevant map layers to see the boundary of the average location selected. County defaults for number of units, bedrooms, and rents will not change unless you customize them.

Driving, greenhouse gas emissions and predicted parking use are modeled assuming the building has a fixed default of 1.2 parking spaces/unit for the parking supply.

 

- - - Pick a parcel - - -

- -

- -

- - ? 

if built on selected parcel

Results for your building, located on the parcel(s) you selected on the map, with your inputs for units, bedrooms, and rents (or default from the county average).

Assuming the parking supply equals either your parking input or the default low impact parking estimate, these outputs include no affordable housing units in the building and no GreenTRIP strategies implemented.

Results for a building located on the parcel(s) you selected on the map with your inputs for units, bedrooms, and rents (or default from the county average).

Assuming the parking supply equals either your parking input or the default low impact parking estimate, the driving and GHG reductions shown are a result of your input for the mix of affordable units in the building (number of affordable units at each level of affordability) with no GreenTRIP strategies implemented.

Results for a building located on the parcel(s) you selected on the map with your inputs for units, bedrooms, and rents (or default from the county average).

Assuming the parking supply equals either your parking input or the default low impact parking estimate, the driving and GHG reductions shown are a result of your input for the mix of affordable units in the building (number of affordable units at each level of affordability) and your selected GreenTRIP strategies (charge for parking, resident transit passes, car sharing memberships, or bike sharing memberships).

- -

- -

- -

with affordable housing

- -

- -

- -

with GreenTRIP strategies

- -

- -

- -

Your project

- -

- -

- -

$0

Resident savings from selected GreenTRIP strategies per year/household

$0

Saved/Lost on parking compared to municipal parking requirement of 2.2 spaces/unit, or - - spaces total.

--

driving

--

miles per day

--

climate impact

--

kg of CO2 per day

--

parking used

--

parking spaces used

Total driving and climate impact compared to -- average.

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GreenTRIP Certified projects

Predicted parking space use

All “average location” buildings are given 1.2 spaces per unit. (This ratio is the lower end of the Institute for Transportation Engineers guidance for parking in multiunit buildings.) To learn more about the methodology please click here.

connect.greentrip.org

TransForm conceptualized GreenTRIP Connect, a tool developed by the Center for Neighborhood Technology (CNT), national leaders in developing tools to analyze transportation and housing.