LAST LOCKAGE

1. The standard is you must arrive at or before the last lockage time .
2. Locks 11,12, 16,17, 20, and 21 require you arrive at least 15 minutes before lockage .
3. The last bridge swing will be 20 minutes after the last lockage .

NOTE: Operatation opening and closing times, as well as first and last lockage, are not guaranteed and may be affected by water management duties, maintenance activities or other types of navigation interruptions.