Indicators for sustainable mobility

ITDP has defined indicators that are actionable, scalable, and easily understood. There are many existing indicators of sustainable transit, but many of them are developed using indices that become black boxes, leaving little discernible actions to improve them. Many other existing indicators suffer from an over reliance on complexity, thus requiring a high level of technical knowledge to fully understand and act upon them. In order to avoid those pitfalls, the indicators presented here are easily understood, replicable, and can be tied to policy interventions. We hope this data can be used to advocate for improvements.

Key Results

From this 25-city analysis, we found some interesting results:

• People Near Frequent Transit and Access to Jobs are the indicators that most strongly predict Sustainable Transport Mode Share.
• Cities with the highest shares of People Near Frequent Transit had strong corridors of frequent transit coverage as opposed to disparate islands of coverage.
• While many cities have large percentages of jobs located near frequent transit, only those that also have large shares of their population near frequent transit show high Sustainable Transport Mode Shares.
• When measuring accessibility to jobs, our analysis shows that the total number of jobs that can be reached is more important than the percentage of jobs in terms of influencing Sustainable Transport Mode Share. In other words, when travelers are making decisions about how they choose to get to work, it is more important that they can reach a large number of jobs than a large share of jobs.
• When measuring accessibility to destinations, we found that the 30-minute threshold correlates with Sustainable Transport Mode Share more strongly than the 60-minute threshold, indicating that it may be a more useful threshold for measurement.
• While lower-income residents tend to have greater access to public transit than the overall population, their ability to reach jobs that require less than a high school education is lower than the average job accessibility for the whole population.
• Access to People was established as a reliable proxy measure for Access to Jobs in the United States.

source:

https://naindicators.itdp.org/