When reversing the rolling direction, what is recommended?

• A. Reverse quickly
• B. Do not reverse
• C. Reverse slowly
• D. Stop and restart after complete cycle

Answer: (C)

Smooth, gradual reversal of the rolling direction is recommended. When you change direction slowly, you minimize sudden shocks to the mat, keep the roller in close contact with the asphalt, and maintain a uniform density and surface texture. This helps prevent defects like ridges, streaks, or tearing and reduces the chance of creating soft or uneven spots at the transition. Reversing quickly or stopping and restarting can cause material displacement, edge gouges, or density variation, which is why a slow, controlled change in direction is the best practice.