The sign "Time specifications hours with restriction to weekdays" (1042-52) indicates that certain traffic regulations apply only during specified hours on weekdays. This sign typically dictates restrictions such as no parking, stopping, or other rules that drivers must follow during those times.

For example, if the sign states that no parking is allowed from 8:00 AM to 5:00 PM on weekdays, this means that drivers can park freely outside of these hours and on weekends. It's essential for drivers to pay attention not only to the time but also to the days specified to avoid fines or penalties.

Always ensure to observe the exact times and confirm if the sign includes any additional information about exceptions or related rules.