bidirectionally

From bidirectional + -ly.

• IPA^(key): /ˌbaɪdɪˈɹɛkʃənəli/
• Hyphenation: bi‧di‧rec‧tion‧al‧ly

bidirectionally (not comparable)

1. In opposite directions.
   • 2023 November 29, Richard Foster, “Tyne & Wear Metro goes with the flow”, in RAIL, number 997, page 32:

     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).