+21 80 Road Conditions Donner Pass 2025. Red lines = heavy traffic flow, yellow/orange lines = medium flow and green =. For this reason, during the winter it is always prudent to check with.
How to use the donner pass i80 traffic map traffic flow lines: Red lines = heavy traffic flow, yellow/orange lines = medium flow and green =. For this reason, during the winter it is always prudent to check with.
