GPS and TRUCKING - I need a commercial GPS that can get signal inside all the metal and can re-route without..

Question

trouble.

-I need a GPS that does commercial routes (if possible; no restricted roads, height restrictions, etc.)
-Where it doesn't lose signal inside the metal cab (like the EZ-Pass does)
-Where I can easily hit ONE button to indicate "I can't go that way"
-Something that doesn't go batty in NYC type areas or lose all signal in a valley

Any truckers that know what I need?

I USED to drive a 2005 Kenworth(less) 900, which didn't let much signal in. Now I don't know what I'll be driving.

Preferably something that doesn't cost an arm and a leg. Maybe something I could switch over to a PRIVATE VEHICLE setting when I'm on vacation.
The commercial settings are the LEAST of my concerns - I'm going to HAVE to verify the route by way of the map as a matter of company policy. But I need something that's ACCURATE, and DOESN'T LOSE SIGNAL, and cheap would be nice too.

Answer 1

This website sells commercial grade GPS equipment http://www.safetyalert.com/gps.asp?gclid=CM7Qz9XyvI8CFSIZWQod7Ve-YQ