SBB is expanding the Liestal railway junktion on behalf of the federal government between 2019 and 2025. The expansion is an important prerequisite for more punctuality and the quarter-hourly Basel-Liestal S-Bahn service. The work will inevitably lead to restrictions for cars, bicycles and pedestrians as well as to the timetable. You can find more information here: Construction work at Liestal station (available only in German).