The reality is that most drivers move along at what they consider to be a safe speed for the conditions regardless of the posted limit. To minimize accidents, the limit should therefore be the speed at which 85 percent of the drivers are moving.
In 2006, the Michigan legislature passed a law requiring speed limits to be set based on such traffic studies.
Does this apply to the interstates too?
I live in the Detroit area & have happily noticed speed limits going up over the last few years in our area. Still a few speed traps out there though.
As to the interstates, I believe those are set federally.
What a great concept! This Buckeye thinks that might just be the best thing to come out of Michigan since the Ohio State football team last left Ann Arbor, victorious yet again.
Other states have. The data recorded by those think(typically) black rubber-like hoses are reviewed to see what speed cars are typically at on that specific roadway.
I can't speak for Michigan but in other places, the municipality can still lower the speed if they have a justification for doing so.
Also, as you might expect, municipalities prefer for the speeds to be lower, since they have a financial incentive to have more speeding tickets issued.
I think this must be under state control since the Interstate speed limits vary from state to state. My state (Iowa) raised Interstate limits from 65 to 70 several years ago.
VA is in the process now to increase the speed limit on some roads.Including interstates.
I used to drive through Montana on I-90 each year. When the limit was 55mph, people drove about 65. If Smokey caught you speeding a little, the fine was $5 for wasting energy. When the speed limit was modified to any safe speed, most people drove about 82mph. Sometimes Smokey would give out speeding tickets because HE THOUGHT you were going too fast. The citizens pressed the legislature for a number. 75 was set. Most people still drove 82mph. Everyone is happy.
I use to go to Detroit in the late 80's. From what I can remember, you were lucky to go the speed limit, lots of congestion, and many stop lights. But since about 1/3 the population has left I guess that has probably changed.
Every time I drive on the highway around Detroit those drivers go crazy fast speeds. And the roads are full of holes.
On most freeways here, especially I-696, you'll get run over doing 80.
To Alandb, you are correct, the speed limits are set by the individual states. I just looked it up.
Why would anyone want to GO to Detroit?
C'mon... The Lions, Kwame Kilpatrick, Jennifer Granholm & nothing gets the blood flowing like the very real fear for your life. Just planning your way out screams Garmin.
This reminds me of a sketch in Kentucky Fried Movie. Three Kung Fu guys are captured on the evil Kung Fu master's island. First guy is sentenced to be beaten. He nods his head and accepts the punishment. The second is sentenced to some worse torture. He nods his head and accepts his punishment. For the third guy, he says: "Send him to Detroit!". At which he breaks down pleading "No, not Detroit, anything but Detroit!"
I get "sent to Detroit" to work with GM on occasion. But I spend most of my times in the 'burbs and avoid downtown. The 'burbs are pretty nice.
Reality is, if you are going the speed limit you will get creamed! most speed limits are 70mph but I-94 is 55mph through the city of Detroit. average speed of all commuters is 72. in the AM (before 7:00) and 35 after 1:00pm.
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