P.M. Peak

The evening rush period during which the greatest movement of people occurs in a community, usually traveling home from work or school. In the Phoenix metro area, p.m. peakThe evening rush period during which the greatest movement of people occurs in a community, usually traveling home from work or school. In the Phoenix metro area, p.m. peak is 3 to 6 p.m. More is 3 to 6 p.m.