Bicycle Travel > Temporary ACA Route Road Closures

TA Section 2 US20 Santiam Pass alternate impacted by new fire - Sep 2017


US20 over Santiam Pass has been the alternate route for TransAm riders since OR242 over McKenzie Pass was closed due to the Milli fire (see Aug 22 post). Today a new fire closed US20 for several hours west of Santiam Pass. A single lane is now open using pilot cars between MP 75 & 80 but conditions could change rapidly.

The air quality index in from Prineville through Sisters has been in the "unhealthy for everyone" range today.

For more information on Oregon road conditions and closures:
For current air quality readings:

The US20 lane closure with pilot car has been discontinued. The Potato Hill fire that prompted the closure seems to be under control, at least for now:

Air quality through the Oregon Cascades continues to be unhealthy:


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