Recorded chokepoint passages for CSL Laurentien, 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/csl-laurentien/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/2025-12/freighterlog:passage:316001637:2025-12-17T11:41:19ZCSL Laurentien (Canada Steamship Lines) crossed Welland Canal (Thorold) downbound on 17 Dec 2025 06:41 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Wed, 17 Dec 2025 11:41:19 GMThttps://freighterlog.com/log/detroit-river/2025-12/freighterlog:passage:316001637:2025-12-16T11:26:01ZCSL Laurentien (Canada Steamship Lines) crossed Detroit River / Ambassador Bridge downbound on 16 Dec 2025 06:26 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, 16 Dec 2025 11:26:01 GMThttps://freighterlog.com/log/port-huron/2025-12/freighterlog:passage:316001637:2025-12-16T05:41:04ZCSL Laurentien (Canada Steamship Lines) crossed Port Huron / Blue Water Bridge downbound on 16 Dec 2025 00:41 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, 16 Dec 2025 05:41:04 GMThttps://freighterlog.com/log/soo/2025-12/freighterlog:passage:316001637:2025-12-15T03:46:51ZCSL Laurentien (Canada Steamship Lines) crossed Soo Locks (St. Marys River) downbound on 14 Dec 2025 22:46 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, 15 Dec 2025 03:46:51 GMThttps://freighterlog.com/log/soo/2025-12/freighterlog:passage:316001637:2025-12-11T23:44:23ZCSL Laurentien (Canada Steamship Lines) crossed Soo Locks (St. Marys River) upbound on 11 Dec 2025 18:44 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Thu, 11 Dec 2025 23:44:23 GMThttps://freighterlog.com/log/port-huron/2025-12/freighterlog:passage:316001637:2025-12-10T17:36:36ZCSL Laurentien (Canada Steamship Lines) crossed Port Huron / Blue Water Bridge upbound on 10 Dec 2025 12:36 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, 10 Dec 2025 17:36:36 GMThttps://freighterlog.com/log/welland/2025-12/freighterlog:passage:316001637:2025-12-09T04:31:20ZCSL Laurentien (Canada Steamship Lines) crossed Welland Canal (Thorold) upbound on 8 Dec 2025 23:31 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Tue, 09 Dec 2025 04:31:20 GMThttps://freighterlog.com/log/welland/2025-11/freighterlog:passage:316001637:2025-11-30T04:02:15ZCSL Laurentien (Canada Steamship Lines) crossed Welland Canal (Thorold) downbound on 29 Nov 2025 23:02 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, 30 Nov 2025 04:02:15 GMThttps://freighterlog.com/log/detroit-river/2025-11/freighterlog:passage:316001637:2025-11-29T03:23:19ZCSL Laurentien (Canada Steamship Lines) crossed Detroit River / Ambassador Bridge downbound on 28 Nov 2025 22:23 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, 29 Nov 2025 03:23:19 GMThttps://freighterlog.com/log/detroit-river/2025-11/freighterlog:passage:316001637:2025-11-24T19:08:55ZCSL Laurentien (Canada Steamship Lines) crossed Detroit River / Ambassador Bridge upbound on 24 Nov 2025 14:08 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, 24 Nov 2025 19:08:55 GMThttps://freighterlog.com/log/welland/2025-11/freighterlog:passage:316001637:2025-11-23T12:23:19ZCSL Laurentien (Canada Steamship Lines) crossed Welland Canal (Thorold) upbound on 23 Nov 2025 07:23 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, 23 Nov 2025 12:23:19 GMThttps://freighterlog.com/log/welland/2025-11/freighterlog:passage:316001637:2025-11-14T17:58:04ZCSL Laurentien (Canada Steamship Lines) crossed Welland Canal (Thorold) downbound on 14 Nov 2025 12:58 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Fri, 14 Nov 2025 17:58:04 GMThttps://freighterlog.com/log/detroit-river/2025-11/freighterlog:passage:316001637:2025-11-13T16:55:03ZCSL Laurentien (Canada Steamship Lines) crossed Detroit River / Ambassador Bridge downbound on 13 Nov 2025 11:55 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Thu, 13 Nov 2025 16:55:03 GMThttps://freighterlog.com/log/port-huron/2025-11/freighterlog:passage:316001637:2025-11-13T11:20:56ZCSL Laurentien (Canada Steamship Lines) crossed Port Huron / Blue Water Bridge downbound on 13 Nov 2025 06:20 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Thu, 13 Nov 2025 11:20:56 GMThttps://freighterlog.com/log/soo/2025-11/freighterlog:passage:316001637:2025-11-12T11:17:30ZCSL Laurentien (Canada Steamship Lines) crossed Soo Locks (St. Marys River) downbound on 12 Nov 2025 06:17 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, 12 Nov 2025 11:17:30 GMThttps://freighterlog.com/log/superior-entry/2025-11/freighterlog:passage:316001637:2025-11-11T01:45:38ZCSL Laurentien (Canada Steamship Lines) crossed Superior Entry outbound on 10 Nov 2025 19:45 CST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Tue, 11 Nov 2025 01:45:38 GMThttps://freighterlog.com/log/superior-entry/2025-11/freighterlog:passage:316001637:2025-11-10T15:39:39ZCSL Laurentien (Canada Steamship Lines) crossed Superior Entry inbound on 10 Nov 2025 09:39 CST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Mon, 10 Nov 2025 15:39:39 GMThttps://freighterlog.com/log/soo/2025-11/freighterlog:passage:316001637:2025-11-09T06:51:52ZCSL Laurentien (Canada Steamship Lines) crossed Soo Locks (St. Marys River) upbound on 9 Nov 2025 01:51 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, 09 Nov 2025 06:51:52 GMThttps://freighterlog.com/log/mackinac/2025-11/freighterlog:passage:316001637:2025-11-08T21:11:07ZCSL Laurentien (Canada Steamship Lines) crossed Straits of Mackinac eastbound on 8 Nov 2025 16:11 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Sat, 08 Nov 2025 21:11:07 GMThttps://freighterlog.com/log/mackinac/2025-11/freighterlog:passage:316001637:2025-11-05T09:08:12ZCSL Laurentien (Canada Steamship Lines) crossed Straits of Mackinac westbound on 5 Nov 2025 04:08 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, 05 Nov 2025 09:08:12 GMThttps://freighterlog.com/log/port-huron/2025-11/freighterlog:passage:316001637:2025-11-04T12:23:28ZCSL Laurentien (Canada Steamship Lines) crossed Port Huron / Blue Water Bridge upbound on 4 Nov 2025 07:23 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, 04 Nov 2025 12:23:28 GMThttps://freighterlog.com/log/detroit-river/2025-11/freighterlog:passage:316001637:2025-11-04T05:00:35ZCSL Laurentien (Canada Steamship Lines) crossed Detroit River / Ambassador Bridge upbound on 4 Nov 2025 00:00 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, 04 Nov 2025 05:00:35 GMThttps://freighterlog.com/log/detroit-river/2025-11/freighterlog:passage:316001637:2025-11-01T02:54:54ZCSL Laurentien (Canada Steamship Lines) crossed Detroit River / Ambassador Bridge downbound on 31 Oct 2025 22:54 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 02:54:54 GMThttps://freighterlog.com/log/port-huron/2025-10/freighterlog:passage:316001637:2025-10-31T21:20:58ZCSL Laurentien (Canada Steamship Lines) crossed Port Huron / Blue Water Bridge downbound on 31 Oct 2025 17:20 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 21:20:58 GMThttps://freighterlog.com/log/port-huron/2025-10/freighterlog:passage:316001637:2025-10-29T11:34:24ZCSL Laurentien (Canada Steamship Lines) crossed Port Huron / Blue Water Bridge upbound on 29 Oct 2025 07:34 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, 29 Oct 2025 11:34:24 GMThttps://freighterlog.com/log/detroit-river/2025-10/freighterlog:passage:316001637:2025-10-29T04:52:10ZCSL Laurentien (Canada Steamship Lines) crossed Detroit River / Ambassador Bridge upbound on 29 Oct 2025 00:52 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, 29 Oct 2025 04:52:10 GMThttps://freighterlog.com/log/welland/2025-10/freighterlog:passage:316001637:2025-10-28T05:59:56ZCSL Laurentien (Canada Steamship Lines) crossed Welland Canal (Thorold) upbound on 28 Oct 2025 01:59 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 Oct 2025 05:59:56 GMThttps://freighterlog.com/log/welland/2025-10/freighterlog:passage:316001637:2025-10-22T13:59:24ZCSL Laurentien (Canada Steamship Lines) crossed Welland Canal (Thorold) upbound on 22 Oct 2025 09:59 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, 22 Oct 2025 13:59:24 GMThttps://freighterlog.com/log/welland/2025-10/freighterlog:passage:316001637:2025-10-14T18:04:35ZCSL Laurentien (Canada Steamship Lines) crossed Welland Canal (Thorold) downbound on 14 Oct 2025 14:04 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, 14 Oct 2025 18:04:35 GMThttps://freighterlog.com/log/detroit-river/2025-10/freighterlog:passage:316001637:2025-10-13T14:01:42ZCSL Laurentien (Canada Steamship Lines) crossed Detroit River / Ambassador Bridge downbound on 13 Oct 2025 10:01 EDT. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Mon, 13 Oct 2025 14:01:42 GMThttps://freighterlog.com/log/soo/2025-10/freighterlog:passage:316001637:2025-10-12T08:40:00ZCSL Laurentien (Canada Steamship Lines) crossed Soo Locks (St. Marys River) downbound on 12 Oct 2025 04:40 EDT. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Sun, 12 Oct 2025 08:40:00 GMThttps://freighterlog.com/log/superior-entry/2025-10/freighterlog:passage:316001637:2025-10-10T23:56:38ZCSL Laurentien (Canada Steamship Lines) crossed Superior Entry outbound on 10 Oct 2025 18:56 CDT. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Fri, 10 Oct 2025 23:56:38 GMThttps://freighterlog.com/log/superior-entry/2025-10/freighterlog:passage:316001637:2025-10-10T10:35:01ZCSL Laurentien (Canada Steamship Lines) crossed Superior Entry inbound on 10 Oct 2025 05:35 CDT. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Fri, 10 Oct 2025 10:35:01 GMThttps://freighterlog.com/log/soo/2025-10/freighterlog:passage:316001637:2025-10-09T03:05:50ZCSL Laurentien (Canada Steamship Lines) crossed Soo Locks (St. Marys River) upbound on 8 Oct 2025 23:05 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, 09 Oct 2025 03:05:50 GMThttps://freighterlog.com/log/detroit-river/2025-10/freighterlog:passage:316001637:2025-10-03T03:41:22ZCSL Laurentien (Canada Steamship Lines) crossed Detroit River / Ambassador Bridge downbound on 2 Oct 2025 23:41 EDT. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Fri, 03 Oct 2025 03:41:22 GMThttps://freighterlog.com/log/port-huron/2025-10/freighterlog:passage:316001637:2025-10-02T22:26:06ZCSL Laurentien (Canada Steamship Lines) crossed Port Huron / Blue Water Bridge downbound on 2 Oct 2025 18:26 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, 02 Oct 2025 22:26:06 GMThttps://freighterlog.com/log/soo/2025-10/freighterlog:passage:316001637:2025-10-02T00:15:59ZCSL Laurentien (Canada Steamship Lines) crossed Soo Locks (St. Marys River) downbound on 1 Oct 2025 20:15 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, 02 Oct 2025 00:15:59 GMThttps://freighterlog.com/log/soo/2025-10/freighterlog:passage:316001637:2025-10-01T08:09:03ZCSL Laurentien (Canada Steamship Lines) crossed Soo Locks (St. Marys River) upbound on 1 Oct 2025 04:09 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, 01 Oct 2025 08:09:03 GMThttps://freighterlog.com/log/port-huron/2025-09/freighterlog:passage:316001637:2025-09-30T09:25:16ZCSL Laurentien (Canada Steamship Lines) crossed Port Huron / Blue Water Bridge upbound on 30 Sep 2025 05:25 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, 30 Sep 2025 09:25:16 GMThttps://freighterlog.com/log/detroit-river/2025-09/freighterlog:passage:316001637:2025-09-30T01:50:34ZCSL Laurentien (Canada Steamship Lines) crossed Detroit River / Ambassador Bridge upbound on 29 Sep 2025 21:50 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, 30 Sep 2025 01:50:34 GMT