Traffic Signs

What does the R-421 road sign mean?

Question image: What does the R-421 road sign mean?
  • A Carriageway for vehicles carrying explosive or flammable goods
  • Lane reserved and mandatory for cycles and personal mobility vehicles
  • C Lane reserved exclusively for vehicles equipped with an operational electronic toll device
  • D Mandatory route for tractors

Why this is the correct answer

Obligation for cyclists and drivers of personal mobility vehicles to use the lane at whose entrance the sign is placed, and prohibition on other road users using it.

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