She started early in order to avoid the rush hour.

During the rush hour in Tokyo and Osaka, the trains run at intervals of a few minutes.

I would rather leave early than travel on rush-hour trains.

Going to school during the rush hour is tiring and unpleasant.

I was caught in the rush hour.

A rush-hour traffic jam delayed my arrival by two hours.

It's horrible to get caught in rush hour traffic.

You'd not have been in the rush hour if you had left home earlier.

It's almost rush hour.