Now you should keep a shorter time for red lights, and that's good for both the environment and the economy.

It is both tiring for the environment and traffic flow when you frequently have to stop at red lights while driving in traffic.

But there's good news.

Drivers can look forward to saving some time on their journeys around the country.

The Traffic Directorate has been out adjusting nearly all of its traffic lights.

Traffic engineer and project leader at the Traffic Directorate, Henrik da Silva, reports.

- We've had people out observing traffic in peak hours. We've seen where there's a need for more green, he says.

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> It's almost free for the state, but it saves motorists a significant amount of time. It's a huge social gain, and it's good for the environment.

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> Mogens Fosgerau, transport economist, Copenhagen University.

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Positive for the economy and the environment

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Practically speaking, the Traffic Directorate has been tinkering with the individual parameters that control the traffic lights.

It was high time for a review, says Henrik da Silva.

- Many of the intersections we have, may not have been adjusted in decades. New residential and industrial areas have emerged, which have changed traffic patterns. Therefore, we have checked what we can adjust to get more traffic through.

This applies, for example, to the traffic junction 'Chokoladekrydset' in Ballerup outside Copenhagen, which is the intersection between Ring Road 4 and Ballerup Byvej, and has received its name because Tom's chocolate factory is located nearby.

Here, several things have been changed, so that the intersection will be faster to pass through in the future.

- For example, we have implemented a right-turn lane. So when you come from the south and want to go to Copenhagen, you can turn right with the left-turning vehicles, he says.

It's good for both the economy and the environment, says Mogens Fosgerau, who is a transport economist at Copenhagen University.

- It's almost free for the state, but it saves motorists a significant amount of time. It's a huge social gain, and it's good for the environment, he says.

The Traffic Directorate owns approximately 320 traffic lights that are state-owned. The municipalities own most of the remaining traffic lights.

In total, there are about 3,100 traffic lights in Denmark.

If it were up to Mogens Fosgerau, the municipalities would also get started on looking at their traffic lights.

- The municipalities should do the same. Especially the major cities, where there is a lot of congestion. You should make sure to guide traffic as smoothly as possible through it.

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