Netherlands

City: 
Rural-Amsterdam to Utrecht
Facilities: 
A2
Facility Type: 
motorways
Length of Controlled Section: 
20 km
Objectives: 
uniform speeds, reduce shockwaves, congestion and reduce crashes
Date Implemented: 
1992
Operational Information
Concerned Vehicles: 
all
Type of Control: 
automated
Speed Information
Speed Limit: 
regulatory if posted in a red circle/recommended without a circle
Speed Variability: 
90/70/50 from the calculated average speed and volumes
Maximum Speed: 
120 km/h, 100km/h near large cities, 80km/h where air quality is at stake
Traffic Control Devices
Speed Signs: 
every 1 km
ITS: 
loop detectors avery 500m, automatic incident detection
Performance Measures
Operational Effectiveness: 
queue-forming was not reduced significantly by the measure
Lane Speeds: 
One speed limit for all lanes
Enforcement
Enforcement: 
enforcement by phot radar
Approach: 
photo enforcement