Very strange colored roads on Google Maps

[hotdogPi]

This is strange on Google Maps.

http://goo.gl/maps/Z9HvE

It probably will not last forever, so if you are reading this a year from now, it may not be there.

[Thing 342]

Those are ski trails, with the color based on rating (Black = diamond, etc)

[ilvny]

Interesting colors!  I didn't know Google Maps showed ski trails.

[hubcity]

Neither did I; zoom in further and the red dotted lines show where the lifts are.

[Dr Frankenstein]

Yes, they do, and some even have Street View coverage.

https://maps.google.com/?ll=45.464804,-74.332412&spn=0.006494,0.009645&t=m&z=17&layer=c&cbll=45.464808,-74.332251&panoid=creEsRKvkY8BKHcZIJ1aWg&cbp=12,303.48,,0,14.62

[KEK Inc.]

You could have clicked on satellite.