Traffic slower is a term used to describe the decrease in speed of vehicles on a road due to various factors. BUMP (4 letters) is a small raised area on a road surface, usually caused by wear and tear. GLARE (5 letters) is a bright light that can cause difficulty in seeing clearly. BOTTLENECK (10 letters) is a situation where traffic is restricted to one lane due to an obstruction or a narrow road. JAM (3 letters) is a situation where traffic is completely stopped due to congestion. Speedbump (9 letters) is a raised area on a road surface designed to slow down vehicles. Road construction (16 letters) is the process of building or repairing roads, which can also cause traffic to slow down.