So I tried to do a search, but didn ot see anything that was newer than a year old:

What is the best GPS Software?

This is actually two-fold, I have a laptop that I built a mount for in the center of my current truck.  I use Microsoft Streets and Trips to initially plan my route, then use Delorme's Street Atlas to do the actualy navigating.  Mind you, these products are from back in 2007.  Most of the places I go now, I don't need the GPS at all, since they are usually horse shows at places I have been to over and over and over again.

I also used this setup in my Old 32' Gas rig, but never worried about how tall it was.  In that rig, I replaced the old back-up black&white 'tv' monitor with a 14" LCD display, then piped the camera into my laptop and overlayed the map with the camera when needed (not to mention it was a LOT bigger)

We are planning on buying a RV, most likely one that is 5'+ taller than our current truck/horse trailer combo, meaning I will actually have to worry about the rig fitting under things.  I want to mount either the laptop or a monitor like I did in our old 32' RV, but also want to have the 'latest and greatest' software running the GPS, that is hopefully reasonably priced.

I've looked over Delorme's latest, and it does not mention anything about routing for RVs, or by clearences/propane limited routes at all (I am hopeing to get a all-electric rig though).

I have the latest (2013) Streets & Trips, and it definitly does not have any allowance for clearences.  I use it to route motorcycle trips, then with a little 3rd party utility transfer the route to my Motorcycle-mounted GPS.

I did see the Co-Pilot software, and it is very attractive, but at $189 it seems like a lot.  I will end up buying this if it comes down to it, but I'd like options.

What do you all use?  Different for routing than real-time driving?

Jess

http://www.discoveryowners.com/cginfo.htm has map overlays for both Streets and Trips and Street Atlas, including ones for clearances like 12' 4", etc.  The text files normally can be imported in anything, including older software.  

There are also GPS apps for iPad/Android from Copilot and Rand McNally to handle RVs and other big rigs. They keep the entire map on the device so you do not need internet access while driving down the road. But the device does need a GPS, which not all have.  Some friends think the $100 cost of the Rand McNally RV GPS app is worth it with their iPad 3.  Others seem to like CoPilot, but the Android Truck app is $150.

MarkS: You will appreciate the vidoes on this site, http://11foot8.com/ , of a 11' 8" bridge in Durham NC.  Someone who shouldn't tries to go under it about once a month and a guy documents it.

I don't have personal experience except to relate the story of someone who had problems with using electronic directions.  In their case, it was with On-Star's gps system and they were in the East somewhere.  The On-Star wanted to shift them to an interstate or turnpike that was automobiles only.  They ended up being stuck "downtown" with no help coming their way from On-Star's operators.  They were evidently using their own GPS's maps.  Finally, with their help and a police officer, they go ta route back to a highway they could use.  The only issue was an 11'+ bridge that peeled back the roof of their fifth wheel.

Since then, I've read of folks saying that they would travel over to Pennsylvania before continuing either North or South around that area, just so they can avoid New York City.

Here is a link to a thread that lists some different atlas products:

Road/Truckers Atlas

The Rand McNally Motor Carrier's Atlas can be found at Rand McNally's website.  Rand McNally also has some GPS products that are designed for trucks and RV's, so one might check them out to see what they offer in the way of low clearance sites.

RV GPS

There is also an updated RV GPS on the above Rand McNally RV GPS site which is the 7720 model.  I think I saw it at Amazon's website as well.

Terry

My suggestion; forget using standard GPS software on your computer or phone or a standard auto GPS. Get one of the Trucker units (we've got a Garmin). In the setup you put in your length, weight, and height and the GPS calculates the route based on your size (along with the standard U turn, toll roads, ferries, and other choices. It doesn't take you where you won't fit or aren't legally allowed to go.

Once you've done this; don't forget to actually pay attention anyway; we always watch the overpass height and weight limits (only really applicable on 2 lane smaller roads) as well…just in case the GPS has inaccurate information.

Ours is (I think) the 465 series; we got the one that includes lifetime traffic updates which have occasionally come in handy. Connie uses the Garmin application on her iPhone as well to double check and it usually varies a little bit from the truck GPS route…we always follow the latter.

Last thing about GPS…you need to learn to trust but verify…we were on a trip a couple years back from Fairfax, VA to Cincinati, OH and back and checked "avoid highways" which according to the manual would only avoid limited access freeways and not standard 4 lane divided highways that are not limited access. We didn't verify and as a result had a quite scenic route through the wilds of West Virginia and southern Ohio.