Railway and Brunswick Streets traffic conclusions

The data collected in my traffic survey sessions was collated to summarise the use of the site by cars, cyclists and pedestrians.

20140929 railway street traffic conclusions #1

  • 1,597 cars use the site per day. There is approximately one car journey every 25 seconds during peak periods and every 40 seconds during off peak periods, driving at an average speed of 43km/hr.
  • 2,412 bicycles use the site per day, on average. There is approximately one bicycle journey every 12 seconds during peak periods and every 35 seconds during off peak periods, riding at an average speed of 19km/hr.
  • 500 pedestrians use the site per day. There is approximately one pedestrian journey every 110 seconds during peak periods and every 100 seconds during off peak periods, either walking or running at an average speed of 8km/hr.
  • In every hour, cars spend 12 minutes driving through the site, each taking 11 seconds to travel from the north end of Brunswick Street to Park Street.
  • In every hour, bicycles spend 17 minutes riding through the site, each taking 10 seconds to travel from the former Casa Elda Vaccari building to the bike crossing at Brunswick Street.
  • In every hour, pedestrians spend 11 minutes walking or running through the site, each taking 33 seconds to travel within the area outlined by Railway, Park and Brunswick Streets.

20140929 railway street traffic conclusions #2

The analysis of journeys that start or finish within the site area, compared with those in transit reveals an extremely low percentage of users actually stopping within the site.

  • 3% of car journeys are arrivals or departures. Approximately 46 arrivals and departures occur per day, of 1,597 cars total.
  • 1% of bicycle journeys are arrivals or departures. Approximately 22 arrivals and departures occur per day, of 2,412 bicycles total.
  • 2% of pedestrian journeys are arrivals or departures. Approximately 11 arrivals and departures occur per day, of 500 pedestrians total.

The broad conclusions from the traffic surveys conducted are:

  • Railway Street is a dead street, in terms of car, bicycle and pedestrian traffic.
  • The bike path perpendicular to Brunswick Street is highly frequented and opportunities lie in channelling this frequency.
  • Bicycle usage during peak periods are significantly higher than off peak periods.
  • The site is almost always used as a thoroughfare.
  • The grassed area is rarely used as a park.

A shortcoming of the data collected is that it fails to recognise the following:

  • The average speed of cars and bicycles does not take into account the fact that journeys through the site are often interrupted by vehicles stopping to give way to other traffic. This is especially prevalent during peak periods.
  • There are typically two types of bicycle speeds: cyclists on a mission (22 – 26 km/hr) and lazy Sunday riders (12-17km/hr).
  • Brunswick street is typically only used by cars.
  • Cars tend to significantly speed up over the 40km/hr speed limit after driving over a speed hump along Brunswick Street.

Image sources

  1. Traffic conclusions, this and following image copyright of author.
  2. Transit vs exit / arrival.

 

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