Carparking layout options

Drummond Street currently measures 28m in width, 15m of which is dedicated to two car lanes, bicycle lanes and car parking. If we change this to a single lane of northbound car traffic, we can significantly increase the amount of green activity space along Drummond Street (from the current 7.5m width to at least 14m). To preserve the parking spaces currently running parallel to the southbound (east) lane, we have looked at three alternatives that involve increasing parking along the west edge of Drummond Street.

Depending on the size of parked cars and how closely they are parked together, there are currently between 32 and 34 car parking spaces.

20140205 car parking 90deg

90 degree parking: This option provides 32 parking spaces and requires 10.5m of street width (1,110sqm) to accommodate both the parking spaces and carriageway to allow cars to turn into them. It leaves 13.5m of green space.

20140205 car parking 45deg

30 degree parking: This option provides 29 parking spaces and requires 9.1m of street width (1,000sqm) to accommodate both the parking spaces and carriageway to allow cars to turn into them. It leaves 14.9m of green space.

20140205 car parking 45deg

45 degree parking: This option provides 26 parking spaces and requires 8.5m of street width (920sqm) to accommodate both the parking spaces and carriageway to allow cars to turn into them. It leaves 15.5m of green space.

Note that the areas of dark green between the parking spaces and sidewalk are raised vegetable boxes intended for community gardening. The large areas of light green are the parkland area left over after parking and carriageway are taken out.

In addition to traditional car parking spaces, we are exploring ways to provide additional carshare parking, with the possibility of upgrading these to electric car charging stations in the future. We are also looking at shared bicycle storage facilities to further encourage your already substantial bicycle usage.

It is important to consider the trade-offs inherent in the above comparison. On the one hand, we want to provide sufficient car parking for residents, but on the other, we want to address the future needs of our city and not just the present. While perpendicular parking nets the greatest number of parking spaces, it also takes up the most amount of street. 45 degree parking nets 6 fewer parking spaces, but returns 190sqm of street to other uses. Given current trends towards ownership of fewer and smaller cars, and increased patronage of alternative transport methods, will Drummond Street need as many car parking spaces in 5, 10 or 20 years as it does now?

Would you be prepared to sacrifice a few parking spaces for more parkland, vegetable gardens or shared lawn area?


Image sources:

  1. 90 degree parking. Copyright Mihaly Slocombe.
  2. 30 degree parking. Copyright Mihaly Slocombe.
  3. 45 degree parking. Copyright Mihaly Slocombe.
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