Excel Owners Club Winnebago Owners Club Ford Super Duty Owner
Join Date: Aug 2014
Location: Santa Fe, NM
Posts: 6,789
I would think many highway on-off ramps exceed 2-3% grades. IMO- that's slightly more than flat. There are plenty steeper grades on I10 in Texas. A rout I've driven too many times.
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Fred & Denise (RVM157) New Mexico
2007 Excel Classic 30RSO & Coach House 272XL E450
2007 RAM 3500, Diesel, 6Spd Auto, SWD, 4x4, CC & LB
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Here is an elevation profile. 3490 to 7113 ft in 303 miles.
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04 Horizon QD, 12 Ford Flex, Excalibar, Brakemaster, Winter Texan, RVin! since 1974
Norm, Donna & Tinker Kat(RIP) 01 Z3
Life is a Timed Event, you only get One Go Around!