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242. The following describes a Hi-pass lane. Which is correct?
- A Hi-pass lane is always found in lane 1; drivers intending to take it must change lanes accordingly and pass through the toll road safely.
- Since the Hi-pass lane for trucks is exclusive to trucks and is colored blue, there is no need to slow down to pass through the toll road.
- Drivers must reduce speed in advance since the speed limit of a multi-lane Hi-pass toll road is 30 km/h.
- Drivers must observe the speed limit of a multi-lane Hi-pass toll road. If the Hi-pass device malfunctions upon entry, the drivers can pay the toll upon exit.
Answer : 4