The M6 has been shut near Newton-le-Willows after a crash between a van and a lorry.
The southbound carriageway was closed for three hours, with the driver left "shaken" but unhurt.
Chloe Williams died after Daniel Barlow did not react to stationary traffic in time, police say.
Abdullah Osman, of Brunswick Street, was given a 12-month prison sentence suspended for one year.
Anthony Hall, 50, took his partner's car and drove at night from Huddersfield to near Carlisle.
Work will begin on replacing the M6 Thelwall Viaduct's joints on 1 September.
Some motorists drove the wrong way up a slip road on the M6 to avoid a crash, police said.
Work on the Kex Gill bypass began three years ago but the project has faced several delays.
Part of the M6 will shut in both directions for the next three consecutive weekends near Penrith.