Variable message signs
Electronic gantries above the motorway. They change with the traffic.
3 signs
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ZPI 1 Message signs The equipment displays information relevant to road traffic. The information is shown as text or a suitable symbol. The equipment, or part of it, may also serve as a variable message sign. -
ZPI 2 Car park occupancy The equipment shows current information on whether there are free spaces in the car park (and, where relevant, how many), or whether the car park is full or closed. -
ZPI 3 Thermometer The equipment usually shows the road surface and air temperature.