Earlier this month, NYC DOT put out a major new report, Making Safer Streets [PDF], that collects before-and-after data from dozens of street redesigns and distills five key principles to reduce traffic injuries. The excitement of election week overshadowed the release, but this is an important document that livable streets supporters will want to bookmark. It’s an accessible guide to how DOT approaches the task of re-engineering streets for greater safety.
Under Commissioner Janette Sadik-Khan, DOT has elevated safety as a departmental priority, and it often follows up a redesign by reporting on the change in traffic injuries after six months or a year. After six years of implementing these projects, the department now has an especially compelling data set – multiple years of before-and-after safety records from dozens of redesigns. Reviewing these projects and what has worked best, the report authors distilled DOT’s approach to safety improvements into a design philosophy.
Deputy Commissioner for Traffic and Planning Bruce Schaller, the lead author, says Making Safer Streets is “the most comprehensive data-driven report on safety we’ve put together.” What makes it especially notable for New Yorkers and residents of other major cities, he said, is its focus on urban streets. “When we look at safety and the elements of design that make safe streets, [other studies] are still not a clear guide to what we should expect to work in NYC.”
After overhauling many streets and intersections over the past six years, the DOT team hopes the report will serve as a reference not only for planners and engineers, but for any city resident who cares about street safety and wants to evaluate how streets are functioning and what would make them better. It’s written in accessible language and comes in at under 30 pages, with a raft of graphics and photos doing much of the communication.
The guiding idea in the report is that greater simplicity, order, and predictability will make streets safer: