Expect intermittent daytime traffic delays on River and Thornydale roads from south of Orange Grove Road to Regency Plaza Drive through February.
The town of Marana is widening Thornydale Road along that stretch to three lanes in both directions.
The right through lane of northbound River where it transitions into Thornydale at Orange Grove will be restricted to right turns only while crews install storm drains and southbound Thornydale will be restricted to a single lane.
Intermittent lane restrictions continue on southbound Thornydale/River between Costco Drive and Orange Grove Road. At least one lane will remain open to traffic at all times.
Westbound Orange Grove just east of Thornydale will have several days of restrictions for utility work.
The westbound right-turn lane of Orange Grove at Thornydale is closed for utility work.
The eastbound left-turn lanes on Orange Grove at Thornydale are reduced to a single lane.
Construction areas have a reduced speed limit of 35 mph.