Pedestrians travelling on the carriageway or shoulder during hours of darkness or in conditions of reduced visibility, in order to be detected in a timely manner by other road users, must:

• 1Move only in groups, four persons per row.
• 2Use retroreflective elements (a tape, a sticker, a vest, etc.) or wear clothing that has retroreflective elements, for their timely detection by other road users.
• 3Answers 1 and 2.