The train was delayed due to a switch failure.
The station staff are operating the switch manually.
転轍機 is the formal engineering term for a railway switch, while ポイント is the everyday loanword railway workers and passengers use for the same device.
Standard kanji spelling for a railway switch/points.
Mixed kanji-kana spelling; 轍 is a non-jōyō kanji, so this form is sometimes used for readability.
Compound of 転 (てん, 'turn') + 轍 (てつ, 'rut, track') + 機 (き, 'machine'). The kanji 轍 is non-jōyō, hence the alternative spelling 転てつ機.