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Two regional travel studies show more take transit trips and more share car rides, among other things

The proportion of the population using different modes of travel, from four past trip diary surveys. [1]

The proportion of the population using different modes of travel, from four past trip diary surveys.

We’ve just announced the results of the 2008 Trip Diary and 2008 Screenline studies, which are two surveys we do every few years to measure how people are getting around the region.

The Trip Diary survey asks people about their travel in the past 24 hours, while the Screenline survey captures how many vehicles pass key points in the regional network. Findings from these surveys (and a backgrounder on how they were conducted) can be found in this press release [2] that was just put out.

Here’s a quote from the press release [2] with some of the findings:

As “driver auto” trips have declined, the transit mode share has increased by 16%, while the population of Metro Vancouver went up by about 6%. The number of trips being made on public transit is steadily increasing over the past 10 years, with a 12.5% mode share in 2008, compared to 10.8% in 2004 and 10.1% in 1999. Also, the combination of all modes other than driving a car – transit, cycling, walking and riding as a passenger in a car – reached a share of about 44%.”

Changes in travel choice are helping the region to manage transportation more efficiently. The rate of trips per person on all travel modes in Metro Vancouver declined significantly from a peak of 3.24 per day in 2004 to 2.65 in 2008. This suggests people are combining more individual purposes into each trip, or “trip chaining.” This finding takes on even more meaning when one sees that the number of transit trips per capita has grown by one-third over the past 10 years – from 60 transit trips per person per year in 1999 to 80.

More people appear to be willing to share the ride, too, as the percentage of people using private auto as a passenger has increased from 16.5% in 2004 to almost 18% in 2008. The Screenline survey supports that observation, as vehicle occupancy increased from 1.19 persons (including driver) per vehicle in 2004 to 1.24 per vehicle in 2008, reversing a trend towards having fewer people in vehicles.

Also, for the info diggers, the Trip Diary and Screenline surveys were last run in 2004, and you can check out those results here: 2004 Trip Diary results (PDF), 2004 Screenline results (PDF). Just in case you would like to look through them!