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Functional Classification

Oregon follows the Functional Classification (FC) system for both state and non-state roads.

To properly type a Freeway, Major Highway, Minor Highway, or Primary Street, refer to the Oregon TransGIS site and cross reference that against the Waze Functional Classification table.

Exceptions

While TransGIS Is a useful tool for determining functional classification, it does not perfectly match how roads should be classified in WME. TransGIS often includes functional classifications for planned or proposed roads or other projects. TransGIS will also often not show a complete connections of classified roads, especially when they are divided highways. If you believe a significant deviation from the suggested functional classification is needed, please contact a State Manager.

Below are examples & explanations of some current deviations from TransGIS;

This segment of Everett St in Portland is classified in TransGIS as a Local Street. However, it provides an important connection between MLK and the I-84 E on-ramp. Without this change, Waze would likely ignore this route as an alternative to I-5 S.
Oak & Pine Streets in Grants Pass are currently mapped in TransGIS as Minor Arterial & Local Street, respectively. This is likely due to a proposed route that would connect Oak to the north side of town via Dimmick St. Viewing the roads from street view, Pine has right of way between G St and Bridge St, which often indicates that a road has a higher classification than the intersecting streets and Waze will benefit from preferring this route though the neighborhood. Conversely, Oak has stop signs at each intersection so it is likely being treated like a normal street.

State-wide

Oregon Department of Transporation (ODOT) homepage
ODOT Map-based project tracker
Oregon Route to Highway Cross Reference
ODOT Digital Video Log (DVL)
Oregon highway summary by Route shows you all the Oregon highways which comprise state and US routes.
ODOT TransGIS can be used to view all manner of roadway attributes, including Functional Classification. To view functional classifications, go to Display->Layer Catalog->Highway Classifications. Select both/either State and Non-State.
ODOT Trucking Restrictions Good resource for scheduled freeway & highway closures. Updated daily.
Oregon Zipcode Map from ZipMap.net
State Highways in Oregon on wikipedia
ODOT Updates via email
US and Oregon Routes Descriptions (talks about where routes go, as compared to Oregon highways

Counties

PLEASE NOTE: Many counties use base maps which are copyrighted. Only information provided by the county (addresses, road names, etc.) may be used to map in Waze.