When blue signals are displayed, what must you not do?

When blue signals are displayed, what must you not do?

• A. Couple to or move equipment protected by blue signals.
• B. Do not couple to or move equipment protected by blue signals except as provided for in the rules governing designated locomotive servicing track areas and car shop repair track areas.
• C. Ignore blue signals and proceed if supervised.
• D. Only operate blue-signal protected equipment during daylight hours.

Answer: (B)

Blue signals exist to protect personnel who are on or around equipment. When blue signals are displayed, you must not couple to or move that equipment except in the specific cases allowed by the rules for designated locomotive servicing track areas and car shop repair track areas. This limited exception is what makes the statement correct: it captures both the prohibition and the narrowly defined allowance. Moving or attempting to operate protected equipment under supervision or outside those designated areas is not permitted, and daylight hours don’t change the safety requirement.

Blue signals exist to protect personnel who are on or around equipment. When blue signals are displayed, you must not couple to or move that equipment except in the specific cases allowed by the rules for designated locomotive servicing track areas and car shop repair track areas. This limited exception is what makes the statement correct: it captures both the prohibition and the narrowly defined allowance. Moving or attempting to operate protected equipment under supervision or outside those designated areas is not permitted, and daylight hours don’t change the safety requirement.