double-manned

Adjective

 * 1) operated by two people.
 * 2) * 2018, Rail, issue 857, July 18-July 31 2018, article on Severn Bridge Junction signal box at Shrewsbury:
 * "en"

- ... the sheer length of the lever frame means the SB [signal box] must be double-manned from 0600-2200 on weekdays and 0600-2000 on Saturdays.