Incredible Road Conditions On I-80 Donner Pass References. This highway information is the latest reported as of sunday, february 16th, 2025 at 03:04 am. For this reason, during the winter it is always prudent to check with.

In the middle of map on initial page load. How to use the donner pass i80 traffic map traffic flow lines: Red lines = heavy traffic flow, yellow/orange lines = medium flow and green =.