In the vicinity of State Road 4, Mile markers 42 & 43,
the Chute is a series of twisty turns dropping sharply into the Valles
Grande. There are many accidents during Fall and Winter because of the
constant shade and the high altitude. There is also occasional black
ice due to mist rising from the Valles condensing and freezing to the
Here is the first slope downhill
towards San Ysidro.
Notice the snow along the side of the road. This picture was taken in
mid-April, after a dry winter.
This car discovered black ice
on the chute the hard way. The driver was fine.