Illinois · Signs, Signals & Markings
What must a driver do when approaching a MERGE sign with through traffic?
- Stop completely before merging
- Increase or decrease speed as needed to avoid a crash
- Always yield regardless of gaps in traffic
- Flash headlights to signal intent
Correct answer
Increase or decrease speed as needed to avoid a crash
Why this is correct
When approaching a MERGE sign with through traffic, a driver must increase or decrease speed to avoid a crash.
Illinois Driver Handbook, p. 33

