In addition, the Périphérique's exit ramps are often monitored with hand-held binocular-type radar devices; these are triggered when the 50 km/h (31 mph) exiting limit is exceeded.
In addition, the Périphérique's exit ramps are often monitored with hand-held binocular-type radar devices; these are triggered when the 50 km/h (31 mph) exiting limit is exceeded.