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Cory Shaffer

Speed from Flagstaff, Az to Blanding, Ut

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  • I’m planning a trip from the west valley of Phoenix up to Keystone, Colorado. I have entered the normal specifications of the car (Tesla M3 LR AWD) as well as my normal driving habits, etc. the stretch of the trip from Flagstaff to Blanding is 252 miles with no chargers along the way. This part of the route is colored red with the note “max 44 mph.”  The travel time is subsequently listed as 5h 55 min. 
  • Im presuming that is the max speed I can go with the elevation change and still make it to B,anding with my listed preference of 10% battery remaining. I can’t imagine that this speed would even be safe with highway traffic buzzing past me despite the climb and curves. I’ve looked at the usual mapping with an ICE car and there is no mention of construction or any reason for slower than normal speeds. 
  • My questions are: Have any of you had this kind of experience and if so, how did you handle those slow speeds. 
  • I have t yet received my car yet, so I’m new to all of this and am looking forward to many more “normal” kinds of trips. Thanks. 
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You are correct that the "Max 44mph" is a recommended maximum speed to make it across that gap.  I would be very cautious about attempting that leg of the route, since a headwind could ruin your day.  To prevent this, you could disable the "Slower if Needed" checkbox in the settings.  One thing we're looking at in the future is adding a "minimum speed" function so you could tell us you want to drive no slower than say, 10mph under the speed limit.

I've personally driven some legs where traffic is going 65 and I'm running 55 or so in my Bolt.  It's not so different from pulling my trailer, though, as my trailer is recommended / required to stay below 55mph.  Definitely a bit harrowing to be passed by someone in a hurry.

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There are destination chargers at a hotel in Tuba City:


You could stop there and have lunch for an hour and pick up some miles of range. With the 11.5kW OBC your M3 LR will have, an hour plugged in will get you about 44 miles of range, which would be enough to make this trip more comfortable. 

There are also some NEMA 14-50 sites on/near the route I saw on Plugshare, but you wouldn't get as fast of a charge with those.

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