When entering and exiting an expressway, and also generally any time you drive, you should _________.

Expressway:
Before entering the expressway:
Check traffic.
Use proper signals.
Merge smoothly into the proper lane of traffic.
Once on the expressway:
Maintain proper lane positioning, vehicle spacing and vehicle speed.
Continue to check traffic thoroughly in all directions.
When exiting the expressway:
Make necessary traffic checks.
Use proper signals.
Decelerate smoothly in the exit lane.
Once on the exit ramp, you must continue to decelerate within the lane markings and maintain adequate spacing between your vehicle and other vehicles.