A councillor wants Dublin City Council to copy Copenhagen and give bicycles a green wave — that is, a system which gives people on bicycles only green lights if they travel at 20km/h into the city at rush hour.
Earlier today at a South East Area Committee meeting, Cllr Paddy Smyth (FG) tabled a motion calling on the council to implement a green wave on suitable routes in the area, as well as the proposed River Dodder Greenway.
Smyth said: “This system has been successfully implemented on a number of routes in the city of Copenhagen.”
He explained, “The ‘green wave’ coordinates the traffic lights for cyclists so that if they ride at a speed of 20 km/h, they will hit green lights all the way into the city in the morning rush hour. The wave is reversed in the afternoon so bicycle users can flow smoothly home too.”
The system is used on sections of three routes in Copenhagen, the longest being around 2.2km on a section of the Nørrebrogade arterial route into Copenhagen’s city centre. According to the City of Copenhagen, over the 2.2km distance, there was a saving for cycling of 6 less stops and a time saving of 2.29 minutes in the morning peak and 1.13 minutes in the evening rush hour.
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Car traffic was positively effected — between 0 and 50 seconds faster. There was mixed effects on buses — the peak flow buses towards the city centre was marginally slower (4 seconds) in the morning, but 13 seconds faster in the evening. However, counter-peak services — ie those away from the city in the morning and towards the city in the evening — were made slower by between 30 to 50 seconds.
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