The Seaway stations are located as follows:
VDX20 (Seaway Beauharnois) - Upper Beauharnois Lock - Traffic Control Sector No. 1.
KEF (Seaway Eisenhower) - Eisenhower Lock - Traffic Control Sector No. 2.
VDX21 (Seaway Iroquois) - Iroquois Lock - Traffic Control Sector No. 3.
WAG (Seaway Clayton) - Clayton, N.Y. - Traffic Control Sector No. 4.
WAG (Seaway Sodus) - Sodus, N.Y. - Traffic Control Sector No. 4.
VDX72 (Seaway Newcastle) - Port Hope, Ontario-Traffic Control Sector No. 5.
VDX70 (Seaway Newcastle) - Port Weller, Ontario-Traffic Control Sector No. 5.
VDX22 (Seaway Welland) - St. Catharines, Ontario - Traffic Control Sector No. 6.
VDX68 (Seaway Long Point) - Port Colborne, Ontario - Traffic Control Sector No. 7.
[39 FR 10900, Mar. 22, 1974, as amended at 40 FR 25813, June 19, 1975; 45 FR 52379, Aug. 7, 1980]