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Version: 1.0.22 08/04/2022

Equations and Milepoint Range Information
Data source refreshed on 10/31/2025
The Highway numbers seen on this page are the ODOT highway numbers. These numbers are not what you would see on road side signs when driving on our highways. For those not familiar with our highway numbering system there is a Highway Cross Reference Table available.
Highway #: Beginning
Mile Point:
Highway Name: Ending
Mile Point:

Road Type Roadway ID Mileage Type
Highways
Connections
Frontage Roads 		1 Primary Roadway -- add
2 Primary Roadway -- non add
3 Split Roadway -- add
4 Split Roadway -- non add
5 Located Line 		Blank - Regular
Z - Overlap


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