33 C.F.R. § 162.110 – Duluth-Superior Harbor, Minnesota and Wisconsin.

(a) No vessel greater than 100 feet in length may exceed 8 miles per hour in Duluth-Superior Harbor.
(b) In the Duluth Ship Canal:
1. (1) No vessel may meet or overtake another vessel if each vessel is greater than 150 feet in length (including tug and tow combinations).
2. (2) An inbound vessel has the right of way over an outbound vessel.

[CGD 79-151, 46 FR 7960, Jan. 26, 1981]