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2020 JHA Conference

Join Us!

June 3-6, 2020 in Mason City, IA



Drivable Map of the JHA

If you want to get out and drive any part of the Jefferson Highway, this is the map for you! Click on the link above for map access. 


Mason City Link



Host Hotel Link



Upcoming events

JHA Historical Documents

See historic JHA newsletters from as early as 1916, as well as other historic documents by clicking here.

Seen on the Jefferson Highway...

The Jefferson Highway Association now participates in the Amazon Smile program.

Mailing Address:

Jefferson Highway Association

PO Box 415

Diamond MO 64840


The Jefferson Highway Association is a 501(c)(3) Public Charity. All donations are tax deductible. Donate today.
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