 The Ely Link Road ( Welsh : Ffordd Gyswllt <unk> ) between the Culverhouse Cross Interchange ( 51 @.@ <unk> ° N 3 @.@ <unk> ° W ﻿ / 51 @.@ <unk> ; <unk> ﻿ ( Culverhouse Cross Interchange ) ) and the Leckwith Interchange ( 51 @.@ <unk> ° N 3 @.@ <unk> ° W ﻿ / 51 @.@ <unk> ; <unk> ﻿ ( Leckwith Interchange ) ) , sometimes referred to as the Leckwith Road Interchange . It is 4 @.@ 83 km ( 3 @.@ 00 mi ) in length and was opened in 1982 and built by Davies Middleton & Davies Ltd ( <unk> ) . It was designed to relieve Ely of through traffic and partly cuts into Leckwith Hill . 
