RV Song of the Whale is a research vessel.
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RT @VaDOTNOVA
🚧Traffic Alert - #Alexandria: Woodrow Wilson Bridge to open tonight at 10 pm, 2/25 for passing of @MCRInt RV Song of the Whale. All lanes of I-495 will be closed during this time. WWB to open again for its return on Tues, 2/28, at approx 10 pm. #DMVTraffic #VATraffic #MDTraffic
https://twitter.com/VaDOTNOVA/status/1629543114393231362