The Netherlands is testing whether limiting bikes to 20 km/h (12 mph) on certain cycling paths can reduce deaths. The idea is meeting resistance in a country where bicycles are how most people get around.

The reason for the change is stark: 281 cyclists died in the Netherlands in 2025—the most in recent years. Nearly two-thirds of those deaths involved head injuries. At the same time, electric bicycles—e-bikes—are becoming far more common. In one year alone, e-bike use jumped 19%.

Here's the problem. Regular bikes go around 10-15 km/h. New e-bikes can go 25 km/h or faster, especially with motor assistance on hills. When a fast e-bike and a slow bike share the same narrow lane, the speed difference leaves almost no time to react if something goes wrong. It's like mixing cars of vastly different speeds on a single road.

The Rule That Doesn't Fit

The Netherlands already has rules for e-bikes. Very fast ones (45 km/h) have to use the main road, not the bike lane. But the most common e-bike in daily commuting—one that goes 25 km/h with motor help—shares the bike lane with everyone else. There is no speed limit.

A 20 km/h limit would create an odd problem: a rider doing 25 km/h with motor assistance would technically be breaking the rule, even though they are using a bike that the government says is legal.

Another issue is enforcement. You don't see speed cameras on bike lanes, and checking every cyclist's speed would be impossible. Critics say a speed limit without enforcement won't actually make things safer—it will just be a rule on paper.

But supporters of the speed limit say people often follow posted limits even without police checking, and that the real point is to give cities legal permission to physically change the lanes. They could make them wider, change the surface, or rearrange where bikes and other traffic meet. These changes naturally slow people down without needing to catch speeders.

Why This Is Happening Now

The government has committed to cutting traffic deaths in half by 2030. Progress has stalled in several countries. For the Netherlands, there is added pressure: the country has spent years promoting cycling as an answer to climate change and car pollution. It is harder to make that case when cycling is becoming more dangerous.

Helmets are another conversation happening quietly in the background. Very few Dutch adults wear bicycle helmets—it's a cultural choice many people defend because they believe helmet rules discourage cycling. But when two-thirds of deaths involve head injuries, that argument becomes harder to hold. No one has proposed a helmet law yet, but the statistics may change that.

The test is limited in scope for now. Dutch law allows short-term experimental traffic rules that don't require a full legislative process, so results from the trial could lead to national rules within two to three years.

Cities like Berlin, Copenhagen, and London are watching. They all have rapidly growing e-bike use and the same safety problem on shared lanes. Whatever the Netherlands learns from this trial will shape how other cities approach the same issue.