A SECTION of the A55 has been closed by Broughton, Flintshire, due to a collision. The incident has been reported to the Traffic Wales site, which says emergency services, including the Welsh Air Ambulance, have been deployed to the scene. As of 1.35pm, the A55 is closed westbound between Junction 36a (Broughton Shopping Park) and Junction 36 by Broughton. North Wales Police said: "Please avoid the area until further notice and use alternative routes. The road will remain closed for some time." A Welsh Ambulance Service spokesperson said: "We were called today (Thursday, March 4) at 12.19pm to reports of a two-vehicle road traffic collision on a slip road of the A55 at Broughton.