The new lock, which offers better access for large vessels entering and leaving the busy port. The new Kaiserschleuse, which cost some EUR 233 million to develop, is 305 metres long and has a passage width of 55 metres, making it suitable for the largest vessel types. It replaces the old Kaiserschleuse, built in 1897, which could only take ships measuring up to 185 metres long and 25 metres wide. WWL’s 230-metre-long FIDELIO was the first vehicle carrier to pass through the new lock, following its inauguration in April 2011.