Upcoming JHA Conferences

2021 JHA Conference - Cancelled


2022 JHA Conference - Pittsburg, KS

June 1-4, 2022

(Details to follow)


2023 JHA Conference - Mason City, IA

June 7-10, 2023

(Details to follow)

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. 


Upcoming events

  • No 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JHA Historical Documents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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