Asian Development BankThis dataset contains the daily count of transits on select maritime passageways during the following events of disruption: i) Suez Canal blockage, ii) Russian Invasion of Ukraine for Bosporus Strait, and iii) the Houthi attacks for Bab el-Mandeb Strait. The counts are derived from Automatic Identification System (AIS) data--high frequency ship signals during navigation--using the framework developed in the publication [Analyzing anomalous events in passageways with high-frequency ship signals](https://doi.org/10.1371/journal.pone.0320129). Data to validate the transits and other supplementary dataof the publication are also included.maritime-passageway-transits-during-disruptionsHumanitarian Data ExchangePublicSuez Canal, Bosporus Strait, Bab el-Mandeb Strait: Transits During DisruptionsDatasetsDjiboutiEgyptEritreaTürkiyeYemen2019-01-01 to 2024-03-31