After an initial wave of speed limit reductions in 2016, the city of Seattle will embark on a major expansion of speed limit reductions over the next 18 months.

"Within 18 months, the posted maximum speed limit on nearly every single arterial street in the city of Seattle will be 25 miles per hour," reports Ryan Packer.
Mayor Jenny Durkan signed off on the changes "in response to a big uptick in traffic violence," according to Packer. The city previously rolled out speed limit reductions in 2016, but advocates have complained about the "glacially slow pace" of safety improvements in the city since then.
Other traffic safety efforts will ramp up in Seattle as a result of the mayor's action this week. According to Packer, "Leading Pedestrian Intervals," one of the city's primary pedestrian safety initiatives, will double in the city under the Seattle Department of Transportation's new goal.
FULL STORY: Mayor Durkan Lowers Speed Limits and Announces New Vision Zero Agenda

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City of Albany
UCLA Lewis Center for Regional Policy Studies
Mpact (formerly Rail~Volution)
Chaddick Institute at DePaul University
City of Piedmont, CA
Great Falls Development Authority, Inc.
HUDs Office of Policy Development and Research