Runway is under construction

Road alignment has now changed to facilitate Tesco Extra Car Park with an additional roundabout in place.

Does this bridge exist?

onosm.org submitted note from a business:
Name: Clayton Hotel Liffey Valley
Phone: +353(0)16258000
Website: https://www.claytonhotelliffeyvalley.com/
Twitter: undefined
Hours: Monday-Sunday 24/24
Category: ,Hotels
Address: Liffey Valley

The overflow car park isn't as big as indicated, it's about half the height. See the satellite view: https://www.google.ie/maps/@53.3707669,-6.4040754,201m/data=!3m1!1e3
I made the change from football pitch to car park but did not know how to change the size.

Speed ramp here

Ballycreggan House

Is this a former landfill site?

how should it be marked?

Parts or all of this bypass are now in use but I'm not sure how to go about changing this.
I've uploaded a gpx track