Most of the road is three lanes, with two lanes for uphill traffic on each side of the hill, and a passing lane for southbound traffic on a relatively flat alignment near the summit. The highway is sometimes closed by snow in winter.
The majority of the road has three lanes, with two lanes for uphill traffic on each side of a hill, and a passing lane for southbound traffic on a relatively flat stretch near the summit. The highway can be closed by snow in winter.