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Speed Limits

Post by Kinematic
Hey PhoenixofMt,

Could you finish up adding the SL to I-90 E and N / US-191 S and N. My editing area stops just outside Livingston. Double check all exits, they're improperly labeled. US-89 Terminates here and begins here. US-10 no longer exists in Montana. US-191 Exits at and begins in Big Timber. Thanks
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Post by herrchin
75/80. If we set a lower limit, regular passenger-vehicle Wazers would be getting limit dings constantly. Truckers are responsible for their tighter regulations. Maybe at some point we'll be able to do vehicle type and special-lane adjustments (like POV lanes).
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Post by herrchin
Except for the areas referred to in the news, I'm 99.9% sure it's 80 everywhere except where they pass near/through some urban spots.
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Post by herrchin
Isn't the legal limit 70 even though that's probably not an advisable speed? We shouldn't program in advised speeds... That's not what the app warning is for.
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Post by Kinematic
PhoenixofMT wrote:What are the guidelines for exit speed limits? If the ramps are short they may have signs for 25 or 15 mph to show you need to quickly decelerate to about this speed to make a sharp curve or short stop. The normal-sized ramps seem to just be "stop ahead" mph. Around 40 - 45 seems reasonable, or do we just want to follow the signage?
Based on what Alan has stated "based on what I've read recently, I would concur that ramps and some at-grade connectors should not have their speed set" The signage before a ramp merely advises drivers as a caution to what is a safe speed.
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Post by Kinematic
herrchin wrote:75/80. If we set a lower limit, regular passenger-vehicle Wazers would be getting limit dings constantly.
I agree with what herrchin posted. 75/80. It's difficult to know exactly where the 80 SL begins at certain parts on I-90/I-94 unless you live in and around the area. For instance I know the route between G.F and Helena. There is some fuzzy documentation from some newspapers on the internet that suggest where the SL are at but still not a great reference.
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Post by Kinematic
PhoenixofMT wrote:That's what I thought. I ask because it's set to 65 around Bozeman and it should be
I believe I set it to 65 for the reason that MDT says that once you enter a urbanized population SL drops to 65. If you know where about we can fix it.


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Post by Kinematic
Only areas you have to be careful are through mountainous regions or canyons following the contour of a river/stream due to its curves. Although the majority of people will loose coverage in these areas.


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Post by Kinematic
PhoenixofMT wrote:
Kinematic wrote:I believe I set it to 65 for the reason that MDT says that once you enter a urbanized population SL drops to 65. If you know where about we can fix it.
I think that's only for non-restricted-access highways. The posted limit is 75 between exits 305 and 313.
.
Is it 80 after 313?
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Post by Kinematic
PhoenixofMT wrote:I'll drop a UR next to the sign.
I finished it off to Billings. You can close that UR and not sure why this UR is still open? Sometimes the reason is loss of GPS signal. Waze tries to pre-load the map for you, but in this case I assume the GPS lost signal and tried to reroute you back on track.
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