Original: Most of the other locks on the River Thames also have walkways across their lock gates and weirs, but these either do not completely cross the river, or are restricted to authorised personnel only, and are therefore not listed.
Simplified: Most of the other locks on the River Thames also have walkways across their lock gates and weirs, but these either do not fully cross the river, or are for the use of authorised people only, and are so are not listed.