Recorded chokepoint passages for Algoma Transport, newest first. The record, not the map: this feed carries passages already in the archive, which ends at December 2025. Vessel data derived from the Nationwide Automatic Identification System (NOAA Office for Coastal Management, marinecadastre.gov), CC0.https://freighterlog.com/vessels/algoma-transport/en-usVessel data derived from the Nationwide Automatic Identification System (NOAA Office for Coastal Management, marinecadastre.gov), CC0. Transit and lock data from the St. Lawrence Seaway Management Corporation / Saint Lawrence Seaway Development Corporation public vessel-transit table (seaway-greatlakes.com).Wed, 23 Sep 2026 18:23:30 GMThttps://freighterlog.com/log/welland/2024-01/freighterlog:passage:316001698:2024-01-06T10:24:11ZAlgoma Transport crossed Welland Canal (Thorold) upbound on 6 Jan 2024 05:24 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Sat, 06 Jan 2024 10:24:11 GMThttps://freighterlog.com/log/welland/2024-01/freighterlog:passage:316001698:2024-01-03T20:31:49ZAlgoma Transport crossed Welland Canal (Thorold) downbound on 3 Jan 2024 15:31 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Wed, 03 Jan 2024 20:31:49 GMThttps://freighterlog.com/log/detroit-river/2024-01/freighterlog:passage:316001698:2024-01-02T10:14:51ZAlgoma Transport crossed Detroit River / Ambassador Bridge downbound on 2 Jan 2024 05:14 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Tue, 02 Jan 2024 10:14:51 GMThttps://freighterlog.com/log/port-huron/2024-01/freighterlog:passage:316001698:2024-01-02T04:19:56ZAlgoma Transport crossed Port Huron / Blue Water Bridge downbound on 1 Jan 2024 23:19 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Tue, 02 Jan 2024 04:19:56 GMThttps://freighterlog.com/log/soo/2024-01/freighterlog:passage:316001698:2024-01-01T06:29:34ZAlgoma Transport crossed Soo Locks (St. Marys River) downbound on 1 Jan 2024 01:29 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Mon, 01 Jan 2024 06:29:34 GMT