bidirectionally
adv/ˌbaɪdɪˈɹɛkʃənəli/
Etymology From bidirectional + -ly.
1
In opposite directions.
- The whole of the South Shields branch passed to the Tyne & Wear Metro in 1984 under the Tyneside Metropolitan Rail Act 1973, apart from a short section that was divided into two bi-directionally signalled lines (although interconnected by a series of loops that allow Metro trains to pass each other).2023 November 29, Richard Foster, “Tyne & Wear Metro goes with the flow”, in RAIL, number 997, page 32: