As Hurricane Irma barrels toward south Florida with 175 mile-per-hour winds, several counties have issued mandatory evacuation orders, with more likely on the way.
Residents who want to leave have only one direction to go: north. Traffic is already bad and will likely worsen before Sunday, when Irma is expected to make landfall.
This map shows live traffic conditions from Google. Refresh the page to get an updated map:
Peter Aldhous is a Science Reporter for BuzzFeed News and is based in San Francisco. His secure PGP fingerprint is 225F B2AF 4B8E 6E3D B1EA 7F9A B96E BF7D 9CB2 9B16
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