Major NI road down to one lane after traffic collision | traffic at standstill along parts of route
Police are reporting that the A1 between Sprucefield and Hillsborough is down to one lane heading south because of a crash.
A Tweet on @BBCNITravel said said: "Traffic's at a standstill along parts of the A1 btwn #Sprucefield & #Hillsborough.
"If you've a flight to catch at @DublinAirport in the next few hours, leave yourself extra time."