How long do most DUI checkpoints typically last?

Most DUI checkpoints typically last a few hours to a full day, as this timeframe allows law enforcement to effectively screen drivers for signs of impairment. These checkpoints are strategically set up during times when DUI incidents are more likely to occur, such as during weekends or holidays. By having checkpoints open for several hours, authorities increase their chances of identifying impaired drivers and ensuring public safety.

Shorter durations, like a few minutes or specifically one hour, would not provide enough time for police to conduct thorough checks on a sufficient number of vehicles. Similarly, while checkpoints may operate for extended periods, such as all night long, this is less common due to resource limitations and the need for officer shifts and safety protocols. Thus, a few hours to a full day strikes a balance between operational efficiency and public safety.