Honor Oak Park is closed at the Devonshire Road junction with a contra-flow in place. It looks like the water people are hard at work fixing another natural spring or something:
That 2nd photo takes me back to when two-way traffic used to pass right outside the station entrance.
Yep they must be underground somewhere…
Well they are still hard at work on this:
Works are due to finish on 2021-08-25T23:00:00Z according to the notice there.