RV.Net Open Roads Forum: Roads and Routes: Tunnels, bridges & hair pin turns

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Open Roads Forum  >  Roads and Routes

 > Tunnels, bridges & hair pin turns

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wintersun

Monterey

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Joined: 12/22/2011

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Posted: 08/20/21 03:01pm Link  |  Quote  |  Print  |  Notify Moderator

All states post the locations where there are clearance problems as they want truckers to have this information. In terms of turns the route guidance with the Garmin 780 RV Trucker GPS works very well. You input the length of your vehicle and the length of the trailer and it routes you accordingly.

I prefer the Garmin which I mount on the windshield at the lower left corner to using the navigation in the dash. Much easier to monitor the GPS above the dash and I do not need to take my eyes of the road nearly as long.

wanderingaimlessly

Buggs Island lake

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Posted: 08/22/21 03:26pm Link  |  Quote  |  Print  |  Notify Moderator

garmp wrote:

First off, OK Custer SP. and/or where ever. My quest is to find a way to put in parameters to google maps, or such a site/app, easily to help define a decent/safe route without retracing steps.
Guess what I'm saying is, is there a way to put such parameters into google maps, or similar, to avoid those hazards?


The Co Pilot app will have you set the parameters and then map your route to meet those requirements. They include height, width, and length as well as letting you tell it to avoid certain other things like toll roads, 2 lane roads etc. Try the app, the first two weeks are free, so download right before your trip. And if you like it, its only about $25 to buy.
co pilot
scroll down to the RV version

paulj

Seattle

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Posted: 08/22/21 05:40pm Link  |  Quote  |  Print  |  Notify Moderator

wintersun wrote:

All states post the locations where there are clearance problems as they want truckers to have this information. ...


It took a bit of digging to find this:

https://sdtruckinfo.sd.gov/docs/Vertical_Clear_List.pdf

The Custer State Park map shows the same tunnel information, plus widths.

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