 For 46 years from 1973 to 2019, the A6 ran for 4.1 miles along the Moneynick Road which has many twists and turns, making it difficult for traffic to safely pass slower moving vehicles; this part of the former A6 witnessed a high number of collisions, many fatal.A new offline dual carriageway opened on 4 August 2019 from Randalstown West junction to the start of the Toome Bypass dual carriageway and became the A6, the Moneynick Road being re-classified as the B183.On the Toome Bypass, the A6 crosses the River Bann between Lough Neagh and Lough Beg to enter County Londonderry.