What happens between a 911 call and help arriving?
Follow response definitions, infrastructure, geography, and the records still needed to account for the wait.
The investigation keeps its existing application, research pages, and source record. The Porch provides a place to begin and follow related work.
What this can tell you
Retains the published September 13 research release and its source-linked explanations; no new incident-level response estimates are added by the Porch.
Sources and limits
Creator
Kaitlin Quinn
Provenance
Built by Kaitlin
Data owner
City of Portland and individually attributed source publishers
Coverage
Portland, Oregon; source-specific coverage may differ
Data date
Not established; see the source
Last source check
2026-09-14
Updates
No fixed schedule promised; see source dates
Limits
The Sandy case has no matched official incident in the recovered work. No verified official duration or numerical I-5 closure effect is available. The existing analytical map remains limited.
Authority
Independent research using agency-published sources
Reuse
Underlying data retain their source terms; no blanket reuse license is granted here.
CALL WAITING · Sources + methods →
A source check is a check of access and metadata. It does not establish that every feature is current.