Complex sentence: In 1968 the A48 was opened from the present location of the Kreuz Koblenz to the exit Koblenz-Nord in 1970 the A48 from Mayen to the west of the interchange opened to traffic.
Split into simpler sentences: In 1968 the A48 was opened from the present location of the Kreuz Koblenz to the exit Koblenz-Nord. In 1970 the A48 from Mayen to the west of the interchange opened to traffic.