There will be a traffic restriction at the Route 422/Route 19 interchange near the Butler/Lawrence County line.
The Route 19 on and off ramps of the westbound lane will be closed for milling and paving this week.
The closures begin at 7 a.m. this morning and will stretch through next Sunday.
The following week both eastbound ramps will be closed for roadwork.
Detours will be posted.
