What are all the 71's on the map?

 

Using MapSource 6.16.2, and I have the CNNT 2008, 2009 and 2011.1 maps installed. When set for "Higher" or "Highest" detail, all these "71" show along various roads. If I switch maps, there are along other roads. What do you suppose this is all about? See the picture for what I'm talking about.

http://cdn-2-service.phanfare.com/images/external/2897704_15...

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This is a bug in MapSource v6.16.x. Read the following topic beginning with the post from "Topobase" at the Garmin forum. Apparently, Garmin are "working at it".

https://forums.garmin.com/showthread.php?t=8537&page=2

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