Denmark

City: 
Copenhagen
Facilities: 
M3
Facility Type: 
motorway
Length of Controlled Section: 
17km
Objectives: 
warn of forming queues
Date Implemented: 
2005
Other Information: 
system named TRIM queue
Traffic Control Devices
Warning Signs: 
DMS
Performance Measures
Operational Effectiveness: 
when the sign is lit the average speed is reduced by 6km/h.
Institutional Issues
Public Opinion: 
88% correctly undestand queue information, but only 61% understand the sign when the distance to the end of the queue is included