Here are the suggested words to fill in the blanks:

For many (1) **years**, Daniel has been driving to work and back home every weekday. Every morning, on his way to work, especially during (2) **rush** hours, the highways are (3) **usually** crowded causing traffic jams. The situation is even (4) **worse** in the evening when he drives home. If there is an (5) **accident** or a car has broken down and blocked the lane, most drivers have to wait for hours or turn back to go on another route.