Recorded chokepoint passages for John J Boland, 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/john-j-boland/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/mackinac/2025-12/freighterlog:passage:366938780:2025-12-30T07:54:18ZJohn J Boland crossed Straits of Mackinac westbound on 30 Dec 2025 02:54 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, 30 Dec 2025 07:54:18 GMThttps://freighterlog.com/log/soo/2025-12/freighterlog:passage:366938780:2025-12-25T05:42:55ZJohn J Boland crossed Soo Locks (St. Marys River) downbound on 25 Dec 2025 00:42 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, 25 Dec 2025 05:42:55 GMThttps://freighterlog.com/log/duluth-canal/2025-12/freighterlog:passage:366938780:2025-12-23T23:30:45ZJohn J Boland crossed Duluth Ship Canal outbound on 23 Dec 2025 17:30 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, 23 Dec 2025 23:30:45 GMThttps://freighterlog.com/log/duluth-canal/2025-12/freighterlog:passage:366938780:2025-12-22T16:31:33ZJohn J Boland crossed Duluth Ship Canal inbound on 22 Dec 2025 10:31 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, 22 Dec 2025 16:31:33 GMThttps://freighterlog.com/log/soo/2025-12/freighterlog:passage:366938780:2025-12-19T21:09:30ZJohn J Boland crossed Soo Locks (St. Marys River) upbound on 19 Dec 2025 16:09 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, 19 Dec 2025 21:09:30 GMThttps://freighterlog.com/log/mackinac/2025-12/freighterlog:passage:366938780:2025-12-18T02:34:21ZJohn J Boland crossed Straits of Mackinac eastbound on 17 Dec 2025 21:34 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, 18 Dec 2025 02:34:21 GMThttps://freighterlog.com/log/mackinac/2025-12/freighterlog:passage:366938780:2025-12-13T14:53:47ZJohn J Boland crossed Straits of Mackinac westbound on 13 Dec 2025 09:53 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, 13 Dec 2025 14:53:47 GMThttps://freighterlog.com/log/port-huron/2025-12/freighterlog:passage:366938780:2025-12-11T19:57:09ZJohn J Boland crossed Port Huron / Blue Water Bridge upbound on 11 Dec 2025 14:57 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 19:57:09 GMThttps://freighterlog.com/log/detroit-river/2025-12/freighterlog:passage:366938780:2025-12-11T14:00:48ZJohn J Boland crossed Detroit River / Ambassador Bridge upbound on 11 Dec 2025 09:00 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Thu, 11 Dec 2025 14:00:48 GMThttps://freighterlog.com/log/detroit-river/2025-12/freighterlog:passage:366938780:2025-12-07T03:59:07ZJohn J Boland crossed Detroit River / Ambassador Bridge downbound on 6 Dec 2025 22:59 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Sun, 07 Dec 2025 03:59:07 GMThttps://freighterlog.com/log/port-huron/2025-12/freighterlog:passage:366938780:2025-12-06T22:18:06ZJohn J Boland crossed Port Huron / Blue Water Bridge downbound on 6 Dec 2025 17:18 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 Dec 2025 22:18:06 GMThttps://freighterlog.com/log/soo/2025-12/freighterlog:passage:366938780:2025-12-05T16:16:50ZJohn J Boland crossed Soo Locks (St. Marys River) downbound on 5 Dec 2025 11:16 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, 05 Dec 2025 16:16:50 GMThttps://freighterlog.com/log/soo/2025-11/freighterlog:passage:366938780:2025-11-30T21:36:05ZJohn J Boland crossed Soo Locks (St. Marys River) upbound on 30 Nov 2025 16:36 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Sun, 30 Nov 2025 21:36:05 GMThttps://freighterlog.com/log/mackinac/2025-11/freighterlog:passage:366938780:2025-11-30T12:56:43ZJohn J Boland crossed Straits of Mackinac eastbound on 30 Nov 2025 07:56 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 12:56:43 GMThttps://freighterlog.com/log/mackinac/2025-11/freighterlog:passage:366938780:2025-11-29T09:11:10ZJohn J Boland crossed Straits of Mackinac westbound on 29 Nov 2025 04:11 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, 29 Nov 2025 09:11:10 GMThttps://freighterlog.com/log/soo/2025-11/freighterlog:passage:366938780:2025-11-29T00:15:54ZJohn J Boland crossed Soo Locks (St. Marys River) downbound on 28 Nov 2025 19:15 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 00:15:54 GMThttps://freighterlog.com/log/duluth-canal/2025-11/freighterlog:passage:366938780:2025-11-27T07:06:23ZJohn J Boland crossed Duluth Ship Canal outbound on 27 Nov 2025 01:06 CST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Thu, 27 Nov 2025 07:06:23 GMThttps://freighterlog.com/log/duluth-canal/2025-11/freighterlog:passage:366938780:2025-11-25T02:17:33ZJohn J Boland crossed Duluth Ship Canal inbound on 24 Nov 2025 20:17 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, 25 Nov 2025 02:17:33 GMThttps://freighterlog.com/log/soo/2025-11/freighterlog:passage:366938780:2025-11-23T13:18:39ZJohn J Boland crossed Soo Locks (St. Marys River) upbound on 23 Nov 2025 08:18 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 13:18:39 GMThttps://freighterlog.com/log/port-huron/2025-11/freighterlog:passage:366938780:2025-11-21T17:28:43ZJohn J Boland crossed Port Huron / Blue Water Bridge upbound on 21 Nov 2025 12:28 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, 21 Nov 2025 17:28:43 GMThttps://freighterlog.com/log/detroit-river/2025-11/freighterlog:passage:366938780:2025-11-21T11:30:19ZJohn J Boland crossed Detroit River / Ambassador Bridge upbound on 21 Nov 2025 06:30 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, 21 Nov 2025 11:30:19 GMThttps://freighterlog.com/log/detroit-river/2025-11/freighterlog:passage:366938780:2025-11-20T13:59:41ZJohn J Boland crossed Detroit River / Ambassador Bridge downbound on 20 Nov 2025 08:59 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Thu, 20 Nov 2025 13:59:41 GMThttps://freighterlog.com/log/port-huron/2025-11/freighterlog:passage:366938780:2025-11-20T08:49:22ZJohn J Boland crossed Port Huron / Blue Water Bridge downbound on 20 Nov 2025 03:49 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, 20 Nov 2025 08:49:22 GMThttps://freighterlog.com/log/soo/2025-11/freighterlog:passage:366938780:2025-11-19T10:50:06ZJohn J Boland crossed Soo Locks (St. Marys River) downbound on 19 Nov 2025 05:50 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Wed, 19 Nov 2025 10:50:06 GMThttps://freighterlog.com/log/duluth-canal/2025-11/freighterlog:passage:366938780:2025-11-17T01:09:31ZJohn J Boland crossed Duluth Ship Canal outbound on 16 Nov 2025 19:09 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, 17 Nov 2025 01:09:31 GMThttps://freighterlog.com/log/duluth-canal/2025-11/freighterlog:passage:366938780:2025-11-16T15:39:20ZJohn J Boland crossed Duluth Ship Canal inbound on 16 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.Sun, 16 Nov 2025 15:39:20 GMThttps://freighterlog.com/log/soo/2025-11/freighterlog:passage:366938780:2025-11-15T01:56:56ZJohn J Boland crossed Soo Locks (St. Marys River) upbound on 14 Nov 2025 20:56 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, 15 Nov 2025 01:56:56 GMThttps://freighterlog.com/log/port-huron/2025-11/freighterlog:passage:366938780:2025-11-13T11:55:37ZJohn J Boland crossed Port Huron / Blue Water Bridge upbound on 13 Nov 2025 06:55 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 11:55:37 GMThttps://freighterlog.com/log/detroit-river/2025-11/freighterlog:passage:366938780:2025-11-13T05:48:51ZJohn J Boland crossed Detroit River / Ambassador Bridge upbound on 13 Nov 2025 00:48 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 05:48:51 GMThttps://freighterlog.com/log/detroit-river/2025-11/freighterlog:passage:366938780:2025-11-12T03:19:01ZJohn J Boland crossed Detroit River / Ambassador Bridge downbound on 11 Nov 2025 22:19 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Wed, 12 Nov 2025 03:19:01 GMThttps://freighterlog.com/log/port-huron/2025-11/freighterlog:passage:366938780:2025-11-11T19:49:42ZJohn J Boland crossed Port Huron / Blue Water Bridge downbound on 11 Nov 2025 14:49 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, 11 Nov 2025 19:49:42 GMThttps://freighterlog.com/log/soo/2025-11/freighterlog:passage:366938780:2025-11-09T12:46:46ZJohn J Boland crossed Soo Locks (St. Marys River) downbound on 9 Nov 2025 07:46 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Sun, 09 Nov 2025 12:46:46 GMThttps://freighterlog.com/log/soo/2025-11/freighterlog:passage:366938780:2025-11-07T04:29:02ZJohn J Boland crossed Soo Locks (St. Marys River) upbound on 6 Nov 2025 23:29 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Fri, 07 Nov 2025 04:29:02 GMThttps://freighterlog.com/log/port-huron/2025-11/freighterlog:passage:366938780:2025-11-06T02:17:12ZJohn J Boland crossed Port Huron / Blue Water Bridge upbound on 5 Nov 2025 21:17 EST. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Thu, 06 Nov 2025 02:17:12 GMThttps://freighterlog.com/log/detroit-river/2025-11/freighterlog:passage:366938780:2025-11-05T20:35:49ZJohn J Boland crossed Detroit River / Ambassador Bridge upbound on 5 Nov 2025 15:35 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 20:35:49 GMThttps://freighterlog.com/log/detroit-river/2025-11/freighterlog:passage:366938780:2025-11-03T17:52:58ZJohn J Boland crossed Detroit River / Ambassador Bridge downbound on 3 Nov 2025 12:52 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, 03 Nov 2025 17:52:58 GMThttps://freighterlog.com/log/port-huron/2025-11/freighterlog:passage:366938780:2025-11-03T10:04:13ZJohn J Boland crossed Port Huron / Blue Water Bridge downbound on 3 Nov 2025 05:04 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, 03 Nov 2025 10:04:13 GMThttps://freighterlog.com/log/soo/2025-11/freighterlog:passage:366938780:2025-11-02T11:03:35ZJohn J Boland crossed Soo Locks (St. Marys River) downbound on 2 Nov 2025 06:03 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 11:03:35 GMThttps://freighterlog.com/log/soo/2025-10/freighterlog:passage:366938780:2025-10-31T05:01:10ZJohn J Boland crossed Soo Locks (St. Marys River) upbound on 31 Oct 2025 01:01 EDT. Interpolated from AIS track samples and good to about ±15 minutes; a crossing of the FreighterLog chokepoint line, not an official lock record.Fri, 31 Oct 2025 05:01:10 GMThttps://freighterlog.com/log/mackinac/2025-10/freighterlog:passage:366938780:2025-10-30T18:46:36ZJohn J Boland crossed Straits of Mackinac eastbound on 30 Oct 2025 14:46 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, 30 Oct 2025 18:46:36 GMT