At 04:33 PM 8/13/2010 Friday, mcneely4@cox.net wrote:
>David, it seems that we've already determined that the camper manual
>was changed to include the warnings sometime after 1985, but they
>are definitely in my 1991 manual.  I

According to Woodall's Guide to 2010 driving laws in US and Canada
(which they point out is not authoritative, but the best info they
get by inquiring of each state and province every year)
http://www.woodalls.com/articledetails.aspx?articleID=2377513 , there
is no state or province that forbids open propane *tanks* except for
special cases like ferries and tunnels.

Nova Scotia, New Jersey and Manitoba prohibit open propane
*cylinders* while traveling on "open highways."

I *believe* that "tanks" means ASME tanks like ours, and "cylinders"
means DOT/ICC cylinders (BBQ tanks).  I have no idea what an open highway is.

Yours,
David