Moderator: volvite
It means exactly the same thing-it's the whole R-3 conditional thing. I've been racking my brain trying to think of somewhere that I might have seen this sign, but I'm not coming up with anything-at least for the Sierras.Greybrick wrote:Here's a further consideration if going through Yosemite National Park, just west of Mammoth.
http://www.nps.gov/yose/planyourvisit/chains.htm
"You will be subject to a citation (up to $5,000) if you fail to put on chains when required. Further, if you don't have chains with you, you may have to call a tow truck to supply chains for you (this could cost up to a few hundred dollars and is not covered by AAA; the wait can be several hours)."