Recorded chokepoint passages for Redhead, 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/redhead/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/2025-11/freighterlog:passage:304489000:2025-11-02T13:22:38ZRedhead crossed Welland Canal (Thorold) downbound on 2 Nov 2025 08:22 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Sun, 02 Nov 2025 13:22:38 GMThttps://freighterlog.com/log/detroit-river/2025-11/freighterlog:passage:304489000:2025-11-01T13:56:56ZRedhead crossed Detroit River / Ambassador Bridge downbound on 1 Nov 2025 09:56 EDT. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Sat, 01 Nov 2025 13:56:56 GMThttps://freighterlog.com/log/port-huron/2025-11/freighterlog:passage:304489000:2025-11-01T05:14:14ZRedhead crossed Port Huron / Blue Water Bridge downbound on 1 Nov 2025 01:14 EDT. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Sat, 01 Nov 2025 05:14:14 GMThttps://freighterlog.com/log/soo/2025-10/freighterlog:passage:304489000:2025-10-31T08:37:16ZRedhead crossed Soo Locks (St. Marys River) downbound on 31 Oct 2025 04:37 EDT. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Fri, 31 Oct 2025 08:37:16 GMThttps://freighterlog.com/log/duluth-canal/2025-10/freighterlog:passage:304489000:2025-10-30T02:52:12ZRedhead crossed Duluth Ship Canal outbound on 29 Oct 2025 21:52 CDT. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Thu, 30 Oct 2025 02:52:12 GMThttps://freighterlog.com/log/duluth-canal/2025-10/freighterlog:passage:304489000:2025-10-27T04:33:35ZRedhead crossed Duluth Ship Canal inbound on 26 Oct 2025 23:33 CDT. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Mon, 27 Oct 2025 04:33:35 GMThttps://freighterlog.com/log/soo/2025-10/freighterlog:passage:304489000:2025-10-21T19:08:19ZRedhead crossed Soo Locks (St. Marys River) upbound on 21 Oct 2025 15:08 EDT. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Tue, 21 Oct 2025 19:08:19 GMThttps://freighterlog.com/log/detroit-river/2025-10/freighterlog:passage:304489000:2025-10-15T03:40:10ZRedhead crossed Detroit River / Ambassador Bridge upbound on 14 Oct 2025 23:40 EDT. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Wed, 15 Oct 2025 03:40:10 GMThttps://freighterlog.com/log/welland/2025-08/freighterlog:passage:304489000:2025-08-02T21:38:31ZRedhead crossed Welland Canal (Thorold) downbound on 2 Aug 2025 17:38 EDT. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Sat, 02 Aug 2025 21:38:31 GMThttps://freighterlog.com/log/detroit-river/2025-08/freighterlog:passage:304489000:2025-08-01T22:39:28ZRedhead crossed Detroit River / Ambassador Bridge downbound on 1 Aug 2025 18:39 EDT. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Fri, 01 Aug 2025 22:39:28 GMThttps://freighterlog.com/log/port-huron/2025-08/freighterlog:passage:304489000:2025-08-01T17:27:57ZRedhead crossed Port Huron / Blue Water Bridge downbound on 1 Aug 2025 13:27 EDT. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Fri, 01 Aug 2025 17:27:57 GMThttps://freighterlog.com/log/soo/2025-07/freighterlog:passage:304489000:2025-07-31T20:21:50ZRedhead crossed Soo Locks (St. Marys River) downbound on 31 Jul 2025 16:21 EDT. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Thu, 31 Jul 2025 20:21:50 GMThttps://freighterlog.com/log/soo/2025-07/freighterlog:passage:304489000:2025-07-19T10:06:54ZRedhead crossed Soo Locks (St. Marys River) upbound on 19 Jul 2025 06:06 EDT. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Sat, 19 Jul 2025 10:06:54 GMThttps://freighterlog.com/log/port-huron/2025-07/freighterlog:passage:304489000:2025-07-18T12:40:00ZRedhead crossed Port Huron / Blue Water Bridge upbound on 18 Jul 2025 08:40 EDT. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Fri, 18 Jul 2025 12:40:00 GMThttps://freighterlog.com/log/detroit-river/2025-07/freighterlog:passage:304489000:2025-07-18T07:18:32ZRedhead crossed Detroit River / Ambassador Bridge upbound on 18 Jul 2025 03:18 EDT. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Fri, 18 Jul 2025 07:18:32 GMThttps://freighterlog.com/log/welland/2025-07/freighterlog:passage:304489000:2025-07-17T09:06:03ZRedhead crossed Welland Canal (Thorold) upbound on 17 Jul 2025 05:06 EDT. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Thu, 17 Jul 2025 09:06:03 GMThttps://freighterlog.com/log/welland/2024-12/freighterlog:passage:304489000:2024-12-24T17:29:26ZRedhead crossed Welland Canal (Thorold) downbound on 24 Dec 2024 12:29 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Tue, 24 Dec 2024 17:29:26 GMThttps://freighterlog.com/log/detroit-river/2024-12/freighterlog:passage:304489000:2024-12-23T19:50:29ZRedhead crossed Detroit River / Ambassador Bridge downbound on 23 Dec 2024 14:50 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, 23 Dec 2024 19:50:29 GMThttps://freighterlog.com/log/port-huron/2024-12/freighterlog:passage:304489000:2024-12-23T14:11:20ZRedhead crossed Port Huron / Blue Water Bridge downbound on 23 Dec 2024 09:11 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, 23 Dec 2024 14:11:20 GMThttps://freighterlog.com/log/soo/2024-12/freighterlog:passage:304489000:2024-12-22T13:12:41ZRedhead crossed Soo Locks (St. Marys River) downbound on 22 Dec 2024 08:12 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Sun, 22 Dec 2024 13:12:41 GMThttps://freighterlog.com/log/soo/2024-12/freighterlog:passage:304489000:2024-12-17T16:41:53ZRedhead crossed Soo Locks (St. Marys River) upbound on 17 Dec 2024 11:41 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, 17 Dec 2024 16:41:53 GMThttps://freighterlog.com/log/port-huron/2024-12/freighterlog:passage:304489000:2024-12-16T19:59:25ZRedhead crossed Port Huron / Blue Water Bridge upbound on 16 Dec 2024 14:59 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, 16 Dec 2024 19:59:25 GMThttps://freighterlog.com/log/detroit-river/2024-12/freighterlog:passage:304489000:2024-12-16T14:41:03ZRedhead crossed Detroit River / Ambassador Bridge upbound on 16 Dec 2024 09:41 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, 16 Dec 2024 14:41:03 GMThttps://freighterlog.com/log/welland/2024-12/freighterlog:passage:304489000:2024-12-15T03:07:11ZRedhead crossed Welland Canal (Thorold) upbound on 14 Dec 2024 22:07 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Sun, 15 Dec 2024 03:07:11 GMThttps://freighterlog.com/log/welland/2024-06/freighterlog:passage:304489000:2024-06-03T14:02:47ZRedhead crossed Welland Canal (Thorold) downbound on 3 Jun 2024 10:02 EDT. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Mon, 03 Jun 2024 14:02:47 GMThttps://freighterlog.com/log/detroit-river/2024-06/freighterlog:passage:304489000:2024-06-02T17:30:09ZRedhead crossed Detroit River / Ambassador Bridge downbound on 2 Jun 2024 13:30 EDT. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Sun, 02 Jun 2024 17:30:09 GMThttps://freighterlog.com/log/port-huron/2024-06/freighterlog:passage:304489000:2024-06-02T12:01:47ZRedhead crossed Port Huron / Blue Water Bridge downbound on 2 Jun 2024 08:01 EDT. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Sun, 02 Jun 2024 12:01:47 GMThttps://freighterlog.com/log/soo/2024-06/freighterlog:passage:304489000:2024-06-01T12:41:43ZRedhead crossed Soo Locks (St. Marys River) downbound on 1 Jun 2024 08:41 EDT. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Sat, 01 Jun 2024 12:41:43 GMThttps://freighterlog.com/log/soo/2024-05/freighterlog:passage:304489000:2024-05-28T04:19:27ZRedhead crossed Soo Locks (St. Marys River) upbound on 28 May 2024 00:19 EDT. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Tue, 28 May 2024 04:19:27 GMThttps://freighterlog.com/log/port-huron/2024-05/freighterlog:passage:304489000:2024-05-27T07:18:50ZRedhead crossed Port Huron / Blue Water Bridge upbound on 27 May 2024 03:18 EDT. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Mon, 27 May 2024 07:18:50 GMThttps://freighterlog.com/log/detroit-river/2024-05/freighterlog:passage:304489000:2024-05-27T01:55:11ZRedhead crossed Detroit River / Ambassador Bridge upbound on 26 May 2024 21:55 EDT. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Mon, 27 May 2024 01:55:11 GMThttps://freighterlog.com/log/welland/2024-05/freighterlog:passage:304489000:2024-05-26T06:24:52ZRedhead crossed Welland Canal (Thorold) upbound on 26 May 2024 02:24 EDT. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Sun, 26 May 2024 06:24:52 GMT