
Maximum posted speed limits - IIHS-HLDI
The highest posted limit in Utah is currently 80mph. ↩ Footnote 10 In Washington State, maximum speed limits on highways or portions of highways may be posted as high as 75 mph …
Speed - IIHS-HLDI
Speed limit laws, which date to 1901, traditionally have been the responsibility of the states, but the national maximum speed limit in place in the 1970s and 1980s effectively established …
New crash tests show modest speed increases can have deadly …
Jan 28, 2021 · With posted speed limits increasing on roadways around the country, a vehicle’s ability to protect drivers in crashes is in doubt. Small speed increases can have huge effects …
A maximum speed limit of 12 miles per hour was enacted in Connecticut in 1901 (Miller, 1950). As improvements in motor vehicle design led to higher and higher potential speeds, most other …
Most drivers would be OK with anti-speeding tech in vehicles, …
Jun 12, 2024 · Contrary to the conventional wisdom, more than 60% of drivers would accept intelligent speed assistance that provides a warning when they exceed the posted limit, a new …
Vehicle height compounds dangers of speed for pedestrians
Dec 10, 2024 · The findings suggest that the 25 mph speed limit commonly used in residential neighborhoods in the U.S. may be too high for bustling city centers or other areas with large …
Average speeds increase after Utah raises limit to 80 mph
Jun 23, 2016 · A study of speed limit increases in Utah adds to the evidence that raising limits leads to higher travel speeds and more people exceeding the new limit.
Speed limit increases are tied to 37,000 deaths over 25 years
Apr 4, 2019 · Rising speed limits over the past 25 years have cost nearly 37,000 lives, including more than 1,900 in 2017 alone, a new IIHS study shows.
With the right mindset, speed-limiting technology can be liberating
Aug 13, 2024 · The speed limit is generally 25 mph. I wouldn’t have predicted this going in, but the ISA system kicked in to restrict my speed repeatedly in this neighborhood, where I think of …
More localities look at speed from a pedestrian’s point of view
Sep 3, 2025 · These speed limits influence travel speeds, but they don’t necessarily bring them down to levels that low; many people routinely drive 5 to 10 mph above the posted limit. Small …