Glossary terms
- Raised Pavement Markers
- Traffic control devices, usually retroreflective, embedded in the pavement and meant to delineate lanes in addition to striping.
- Ramp Metering
- The procedures used to reduce congestion by managing vehicle flow from local-access on-ramps using a traffic signal at the entrance ramp that allows vehicles to enter the freeway at predetermined intervals.
- Rijkswaterstaat
- Dutch ministry of transports and water management.
- Rotating Sign
- Sign that can show two or more messages by rotation of the panel is composed of.
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