1. Concrete barriers: These are made of reinforced concrete and are most commonly used on bridges.
2. Steel barriers: These are made of steel and are strong and durable. They are often used on bridges with heavy traffic.
3. Cable barriers: These are made of steel cables and are designed to catch vehicles and prevent them from falling off the bridge.
4. Guardrail barriers: These are short barriers that are designed to prevent vehicles from crossing the center line on a bridge.
5. Jersey barriers: These are concrete barriers that are used to separate lanes of traffic or to prevent vehicles from leaving the roadway.
6. Crash cushions: These are used at the ends of bridge barriers to absorb the impact of a crash.
7. Barrier systems with reflective material: These are designed to reflect light from vehicle headlights to increase visibility of the barrier at night.
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