The periods that have low demand volumes of traffic during the day (24-hour period). Offset The difference between the start or end times of green periods at adjacent (upstream and downstream) signals.

A specified time period in which the volume of traffic is lower than that during peak hours. Those periods of the day where demand for transit service is not at a maximum.

Period of time when there is relatively low demand for electricity.

Times outside of the Peak Period. See also Peak Hour. Peak Hour — The hour of the day with the highest traffic volume at a given point. Also known as a “rush hour”.

The period of time outside the peak commuting period, usually the midday, evening, night, and early morning.

The period during the day, week, month, or year when the load being delivered by a gas system is not at or near the maximum volume delivered by the system.

Non-rush periods of the day when travel activity is generally lower and less transit service is scheduled. Also called "base period." (APTA)