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Mandatory dynamic automatic controlling Intelligent Speed Assistance (ISA) could reduce fatal crashes over the entire road network by more than 50 percent, whereas static informing ISA could still give a reduction of almost 20 percent.

FINDINGSThe role of in-car speed assistance systems can gradually become more prominent in speed management, in combination with traditional measures (infrastructural engineering, education,…

Content type

Benefit

Date Posted

05/06/2011

Taxonomy (ARC-IT) Autonomous Vehicle Safety Systems (VS01), Infrastructure Enhanced Cooperative Adaptive Cruise Control (VS15), Automated Vehicle Operations (VS16), Eco-Approach and Departure at Signalized Intersections (ST08)

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Mandatory dynamic automatic controlling ISA (Intelligent Speed Assistance) could reduce fuel consumption and harmful emissions by 4 to 11 percent.

FINDINGS The role of in-car speed assistance systems can gradually become more prominent in speed management, in combination with traditional measures (infrastructural engineering, education,…

Content type

Benefit

Date Posted

05/06/2011

Taxonomy (ARC-IT) Freight Administration (CVO02), Eco-Approach and Departure at Signalized Intersections (ST08), Autonomous Vehicle Safety Systems (VS01)

Geolocation links

A survey of motorists in Copenhagen, Denmark, found that 80 percent of respondents were satisfied with variable speed limits and the traveler information posted on dynamic message signs.

The impact of variable speed limits and dynamic route advisory messages posted on dynamic message signs in the study area was evaluated by collecting traffic volume and speed data from loop detectors…

Content type

Benefit

Date Posted

11/13/2003

Taxonomy (ARC-IT) Traffic Information Dissemination (TM06), Integrated Decision Support and Demand Management (TM09), Variable Speed Limits (TM20), Work Zone Management (MC06), Traffic Incident Management System (TM08), Reduced Speed Zone Warning / Lane Closure (VS09)

Geolocation links

Copenhagen, Denmark

On the Køge Bugt Motorway in Copenhagen, Denmark, variable speed limits reduced vehicle speeds by up to 5 km/h and contributed to smoother traffic flow during peak periods.

The impact of variable speed limits posted on dynamic message signs in the study area was evaluated by collecting traffic volume and speed data from loop detectors and machine vision license plate…

Content type

Benefit

Date Posted

11/13/2003

Taxonomy (ARC-IT) Variable Speed Limits (TM20), Reduced Speed Zone Warning / Lane Closure (VS09)

Geolocation links

Copenhagen, Denmark

On the Køge Bugt Motorway in Copenhagen, Denmark, travel times and alternative route information posted on dynamic message signs prompted 12 to 14 percent of drivers to divert onto less congested alternative routes.

The impact of dynamic route advisory messages posted on dynamic message signs in the study area was evaluated by collecting traffic volume and speed data from loop detectors and machine vision…

Content type

Benefit

Date Posted

11/13/2003

Taxonomy (ARC-IT) Traffic Information Dissemination (TM06), Integrated Decision Support and Demand Management (TM09), Work Zone Management (MC06), Traffic Incident Management System (TM08), Reduced Speed Zone Warning / Lane Closure (VS09)

Geolocation links

Copenhagen, Denmark

Study reports automated speed enforcement system costs 5.9 million euros in Denmark and 178,000 euros in Finland.

This study provides an overview of CERTU research on speed and automated enforcement implemented in Europe, Australia, and North America. The study outlined issues associated with data treatment and…

Content type

System Cost

Made Public Date

09/30/2003

Taxonomy (ARC-IT) Speed Warning and Enforcement (TM17)

Geolocation links

Denmark | Finland

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Displaying 1 - 6 of 6

Mandatory dynamic automatic controlling Intelligent Speed Assistance (ISA) could reduce fatal crashes over the entire road network by more than 50 percent, whereas static informing ISA could still give a reduction of almost 20 percent.

Mandatory dynamic automatic controlling ISA (Intelligent Speed Assistance) could reduce fuel consumption and harmful emissions by 4 to 11 percent.

A survey of motorists in Copenhagen, Denmark, found that 80 percent of respondents were satisfied with variable speed limits and the traveler information posted on dynamic message signs.

On the Køge Bugt Motorway in Copenhagen, Denmark, variable speed limits reduced vehicle speeds by up to 5 km/h and contributed to smoother traffic flow during peak periods.

On the Køge Bugt Motorway in Copenhagen, Denmark, travel times and alternative route information posted on dynamic message signs prompted 12 to 14 percent of drivers to divert onto less congested alternative routes.

Study reports automated speed enforcement system costs 5.9 million euros in Denmark and 178,000 euros in Finland.

INTELLIGENT TRANSPORTATION SYSTEMS JOINT PROGRAM OFFICE

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Displaying 1 - 6 of 6

Mandatory dynamic automatic controlling Intelligent Speed Assistance (ISA) could reduce fatal crashes over the entire road network by more than 50 percent, whereas static informing ISA could still give a reduction of almost 20 percent.

Mandatory dynamic automatic controlling ISA (Intelligent Speed Assistance) could reduce fuel consumption and harmful emissions by 4 to 11 percent.

A survey of motorists in Copenhagen, Denmark, found that 80 percent of respondents were satisfied with variable speed limits and the traveler information posted on dynamic message signs.

On the Køge Bugt Motorway in Copenhagen, Denmark, variable speed limits reduced vehicle speeds by up to 5 km/h and contributed to smoother traffic flow during peak periods.

On the Køge Bugt Motorway in Copenhagen, Denmark, travel times and alternative route information posted on dynamic message signs prompted 12 to 14 percent of drivers to divert onto less congested alternative routes.

Study reports automated speed enforcement system costs 5.9 million euros in Denmark and 178,000 euros in Finland.

INTELLIGENT TRANSPORTATION SYSTEMS JOINT PROGRAM OFFICE

Focus Areas

Connect

Topics