Yesterday there was a serious single vehicle accident involving a tour bus near Pendleton, Oregon. There are at present 9 fatalities, and many injured.
This is a Goggle shot of the stretch of northbound lane where the accident happened. It looks like a wonderful road with little risk for travel of any type of vehicle.
Pendleton, OR, United States - Google Maps
I have traveled that area in late October and it was a wonderful drive. If you move up and down the road on Goggle you can see that it is an excellent highway in good condition.
Below is a shot of the accident scene.
Winter conditions bring a big change of rules to the task of driving. One has to be aware at all times of the temperature, the road conditions, other traffic, etc.
And it will usually help if you slow down a bit.
Drive carefully and Happy New Year