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Public-images-osm logo.svg junction = filter
Uncontrolled intersection melbourne australia.png
A special type of junction Edit or translate this description.
Group: Highways
Used on these elements
may be used on nodesshould not be used on waysshould not be used on areasshould not be used on relations
Status: proposed

A filter or filter-in-turn is a type of junction that assigns priority to junction users based on the order in which they arrive at the junction. It is usually combined with a box junction so users of the junction must not enter the junction unless their exit is clear.

The filter is in common use on the island of Guernsey: http://www.gov.gg/ccm/navigation/travel-transport/visitors---new-residents/ (archived from the original).

In the U.S., this is called an 'uncontrolled intersection' and is functionally equivalent to an all-way yield.

This tag appears to be used at nodes where multiple highway=* lines representing roads intersect.