I know I'm a sign nut.

you can find the same avalanches protection on the transcanada hwy between the provinces of alberta and British Columbia on a 20 kms stretch of the rocky mountains
same here north of silverton on hwy 550 the million dollar highway nice bike road
 
you can find the same avalanches protection on the transcanada hwy between the provinces of alberta and British Columbia on a 20 kms stretch of the rocky mountains

Patrick,
We have those over the mountain pass highway near Mt. Rainier as well.
I was exclaiming about the challenging roadway.