tag:blogger.com,1999:blog-7307940767694289624.post9099351426592277497..comments2010-04-13T09:40:07.747-04:00Diana Minnahttp://www.blogger.com/profile/02554632150975059623noreply@blogger.comBlogger1125tag:blogger.com,1999:blog-7307940767694289624.post-88297417057196989452010-01-30T05:51:30.128-05:002010-01-30T05:51:30.128-05:00A monolithic sidewalk is one where the sidewalk is right next to the roadway, without any form of boulevard between the two. The sign is there to alert snow plows so that the road plows do not pile up snow on the sidewalk making it difficult for people to walk. Sort of makes sense in why it's named as such.Anonymousnoreply@blogger.com