3 minutes? A 1995 study by the Portland, Oregon Bureau of Fire, Rescue, and Emergency Services tested the response times for 6 different sized fire vehicles at a various response speeds vs. common traffic calming devices ( https://nacto.org/wp-content/uploads/2012/06/City-of-Portland-1996.pdf ). The study produced the following range of delays:
- 14-foot speed bumps: 1.0 to 9.4 seconds of delay per bump - 22-foot speed bumps: 0.0 to 9.2 seconds of delay per bump Other sources cite an average of 3 *seconds*. On Sun, Dec 14, 2025 at 12:44 PM Nick Gardner <[email protected]> wrote: > A speed bump adding 3 minutes does not make sense. Fire trucks do not > accelerate that slowly, and it's not like they can safely go 60 on that > road anyways. Plus, we need to balance emergency response time with making > sure pedestrians don't get hurt. Those two things are often in opposition > to each other. > > -Nick >
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