20210304 07451600 1.0 TRUE Portland Emergency Transportation Routes Emergency Transportation Routes in the City of Portland, for use in disaster response and recovery. From the five county MOU July 2005, ODOT No. 21,273. Based on the emergency_trans_routes_Metro layer, with minor update in Oct 2016. -- Additional Information: Category: Transportation - Emergency Management Purpose: For city wide disaster planning and to map transportation routes which have been identified as important in an emergency. Update Frequency: As Needed -- Metadata Link: https://www.portlandmaps.com/metadata/index.cfm?&action=DisplayLayer&LayerID=54396 Portland Bureau of Emergency Management