Is "No Speed Limit" More Important Than Life?—Considering the 130 km/h Limit on the Autobahn from Japan

The Autobahn, Germany's highway system, is often mentioned alongside beer, soccer, and industrial products as a symbol of the country.

What is particularly emphasized abroad is the existence of sections without speed limits. This has been described as a reflection of Germany's technological prowess in producing high-performance cars, the discipline of its drivers, and the national philosophy of not overly restricting individual judgment.

However, if there is a safety cost to this "freedom," how much should society tolerate?

According to an analysis by German accident researcher Siegfried Brockmann and others, introducing a uniform maximum speed of 130 km/h on the Autobahn could potentially prevent about 70 to 90 deaths annually. In percentage terms, this corresponds to about 25 to 30% of traffic accident deaths on the Autobahn.

In Germany, over 2,800 people died in traffic accidents in 2025, with 292 of those fatalities occurring on the Autobahn. The estimated 70 to 90 people represent only about 3% of the total traffic accident deaths in Germany. However, considering the number of lives that could be saved by just one road regulation, it is not a figure that can be ignored.

Whether one views this number as "just 3%" or "90 people saved by a single policy," the debate over speed limits on the Autobahn reflects societal values on how freedom, safety, culture, environment, and travel time are evaluated.

"No Speed Limit" Does Not Apply to the Entire Autobahn

In Japan, there is a strong impression that "you can drive at any speed anywhere on the Autobahn." In reality, speed limits are set in construction zones, around urban areas, in high-traffic sections, and in places with curves or gradients.

Even in sections where no limits are explicitly stated, a "recommended speed" of 130 km/h is set for passenger cars and similar vehicles. This is different from a uniform legal maximum speed, but it is recommended not to exceed 130 km/h even when road, traffic, visibility, and weather conditions are favorable.

Thus, the current discussion is not about introducing the concept of speed to a road with no rules at all. It is about whether the currently recommended 130 km/h should be mandated as a national limit.

The strong opposition to this is because the sections without speed limits are not just a traffic system but a symbol of "the freedom to choose speed according to one's car and skills."

Many German cars are designed to run stably at speeds over 200 km/h, and brake and body designs have evolved based on high-speed driving. There is a history of mutual influence and growth between the automotive industry and road culture.

Therefore, the opposition to uniform limits often reflects the idea that "dangerous driving should be controlled, but those who drive appropriately should not be regulated."

Why Lowering Speed Reduces Fatal Accidents

The relationship between speed and accident severity cannot be explained by the simple statement that "the faster you go, the more likely you are to have an accident."

Firstly, the stopping distance increases with speed. The car continues to move after a danger is detected and before the brakes are applied, and the distance required to stop after braking increases significantly with speed.

Secondly, the speed difference between vehicles becomes an issue. On the Autobahn, while large vehicles and typical passenger cars travel at relatively low speeds, cars traveling around 200 km/h can approach in the overtaking lane. If a vehicle in front changes lanes to overtake, the greater the speed difference with the following car, the less time there is to recognize and avoid danger.

Thirdly, the energy of a collision does not simply increase in proportion to speed. The impact on the vehicle and occupants increases sharply as speed rises. An accident that might result in injury at a lower speed could become fatal at high speed.

According to 2025 statistics from the German Federal Statistical Office, accidents involving speeding or speeds inappropriate for road or weather conditions are a major cause of fatal accidents. Of those who died on the Autobahn, 42% were in speed-related accidents.

Speed limits do not prevent all accidents. Causes are varied, including drowsiness, alcohol consumption, smartphone use, insufficient following distance, and poor maintenance. However, even if accidents cannot be completely prevented, speed limits can help mitigate the damage in a collision.

In traffic safety policy, it is important to focus not only on the number of accidents but also on preventing accidents from becoming fatal.

Is It Justifiable to Conclude "90 Lives Saved"?

Caution is needed when interpreting these figures.

The research is not based on a large-scale experiment directly comparing before and after the actual implementation of a uniform 130 km/h limit across Germany. It is a meta-analysis combining overseas research, past speed limit changes, and existing data, using models to estimate modern traffic conditions.

The researchers themselves acknowledge that there is no sufficient comparative research with controlled conditions in present-day Germany. While some regional and temporal studies have been conducted in the past, differences in vehicle safety performance, traffic volume, road facilities, and driver assistance technology mean those results cannot be directly applied nationwide.

Therefore, the figure of "90 lives saved annually by setting the limit to 130 km/h" is not a definitive number but an estimate based on certain assumptions.

Conversely, it is also inappropriate to dismiss the potential effect as zero simply because it is an estimate.

Brockmann suggests not only implementing permanent regulations nationwide immediately but also conducting a one-year trial introduction and empirical experiments with varying speed limits in sections with different conditions.

This approach seems like a realistic way to move the debate between proponents and opponents forward. It is not a binary choice of regulating or doing nothing but first testing in a measurable way and examining fatalities, serious injuries, congestion, travel time, spillover to general roads, and fuel consumption.

Diverse Reactions to "90 Lives" on Social Media

When the topic of speed limits on the Autobahn comes up on social media, reactions are broadly divided.

The first is the opinion that prioritizes safety.

This perspective includes thoughts like "If even a few dozen lives can be saved annually, it should be implemented," "You can't compare a few minutes of extra travel time to a human life," and "There's no need for ordinary drivers to travel at 200 km/h."

In Germany, posts calling for a 130 km/h limit on the Autobahn have been repeatedly made, in conjunction with environmental policies and urban speed regulations. There is also a tendency to evaluate speed limits not as a standalone policy but as a means to simultaneously reduce traffic accidents, greenhouse gases, noise, and fuel consumption.

The second opinion emphasizes individual freedom and car culture.

Arguments include "The Autobahn is one of the few places in the world where you can drive freely at high speeds," "Only dangerous sections should be regulated, not the entire road," and "There's no need to impose uniform restrictions even in low-traffic, good-weather conditions."

There are also sarcastic posts suggesting that politicians who support speed limits should first reduce the speed of their official vehicles. The opposition to regulation is not just about the desire to drive fast; it is also recognized as a political issue of how much the government can intervene in individual actions.

The third opinion is that the Autobahn is relatively safe to begin with.

The German Automobile Club (ADAC) states that while about one-third of Germany's vehicle mileage is covered on the Autobahn, the proportion of traffic fatalities is only about 10%. From this figure, the argument arises that "more dangerous general roads and local roads should be prioritized."

Indeed, highways with central barriers and no intersections, pedestrians, or bicycles are structurally safer than general roads.

However, "being relatively safe" is not the same as "having no room for improvement." Even if only 10% of people die on highways, if a realistic measure can reduce that number, it is worth considering.

The fourth opinion questions the research methods and figures.

Critiques include "Can overseas research be applied to Germany?" "Are differences in vehicle performance considered?" and "If speed limits lead to more traffic on general roads, won't other accidents increase?"

The analysis suggests that even with a 130 km/h limit, the Autobahn remains the fastest route, making large-scale spillover to general roads unlikely. Additionally, reducing speed differences could stabilize traffic flow and reduce road closures and unpredictable delays due to accidents.

However, this cannot be confirmed without large-scale trials. It is important to incorporate skepticism from social media into the verification process rather than dismiss it as mere anti-scientific backlash.

It should be noted that social media posts are more likely to be made by those with strong opinions and do not necessarily represent the views of the entire population.

In a 2026 survey conducted by ADAC among its members, 56% supported a general speed limit, while 39% opposed it. The fact that a majority of members, who were once strongly opposed, now support it indicates a gradual shift in German societal awareness.

In Japan, the Autobahn Is Often Seen as a "Dream Road"

Searching for the Autobahn on Japanese social media reveals more posts about wanting to experience it, calling it a "road where you can drive at 200 km/h," and a "mecca for car enthusiasts," rather than policy discussions.

The Japanese-language account of the German Embassy has also introduced the Autobahn, with its sections without speed limits, as a dream road for car enthusiasts. Videos and posts about experiencing speeds over 200 km/h locally also tend to attract attention.

On the other hand, there are posts explaining that "not all cars drive at extreme speeds" and that "drivers choose their speed based on road conditions, car performance, and driving skills."

While there is some truth to this image, caution is also necessary. The temporary high-speed driving experienced by travelers is not the same as the perspective of a society that uses the road daily and bears the risks of accidents, noise, congestion, and emergency responses.

From Japan's perspective, the Autobahn is often seen as an "extraordinary space where you can drive fast." However, the debate within Germany is not about this extraordinary aspect but about the realities of daily commuting, logistics, family travel, and accident victims.

Traffic Accident Challenges Differ Between Japan and Germany

In Japan, the number of traffic accident fatalities in 2025 was 2,547, the lowest since statistics began in 1948. This means that Japan, with a larger population than Germany, has fewer fatalities than Germany.

However, the definition of "traffic accident fatalities" varies by country. In Japan, the number of fatalities commonly used in police statistics refers to those who died within 24 hours of the accident. In contrast, European statistics typically include deaths within 30 days of the accident, so simple numerical comparisons are not possible.

In 2024, 139 people died in traffic accidents on Japanese highways. Although this seems fewer compared to Germany's 292, differences in the year, definition of fatalities, road length, traffic volume, speed, and vehicle composition make it dangerous to judge which is safer based solely on numbers.

There are also differences in speed regulations.

On Japanese highways, the legal maximum speed for passenger cars is generally 100 km/h, but it has been raised to 120 km/h in some sections that meet conditions for road structure and safety. The 120 km/h regulation has been introduced on sections like the Higashi-Kanto Expressway.

In Japan, unlike Germany, changes have been made in some areas to allow higher speeds. However, the police urge drivers to choose safe speeds based on weather, traffic volume, driver skills, and health conditions, even in 120 km/h zones.

This point is also related to the concept of recommended speeds on the Autobahn. The displayed maximum speed is not a "right to drive at that speed," but an upper limit that should not be exceeded even under favorable conditions.

Highways Are Not the Only Priority in Japan

It is premature to directly link the German study to a call for uniformly lowering highway speeds in Japan.

In Japan, traffic accident issues involve elderly drivers, pedestrians, bicycles, residential roads, and smartphone use while driving. While the number of fatalities reached a record low in 2025, the number of serious injuries increased compared to the previous year.

Additionally, from September 2026, a regulatory change is planned to lower the legal speed limit from 60 km/h to 30 km/h, mainly on residential roads without central lines.

In Japan, safety measures on residential roads, where pedestrians and bicycles share space with cars, may have a greater impact on saving lives than ultra-high-speed driving on highways.

However, the German debate is not irrelevant to Japan.

If the maximum speed is raised to 120 km/h in some sections, it is necessary to continuously verify not only the number of accidents before and after introduction but also the severity of injuries, speed differences between vehicles, sudden braking, lane changes, congestion, and accidents in bad weather.

Conversely, if speed is reduced in sections with many accidents, the extent of safety improvement should also be disclosed.

Speed regulations should not be decided solely based on the intuition of politicians or administrators but should be flexibly updated based on data for each road.

The Meaning of "Freedom" May Change in the Era of Autonomous Driving

As autonomous driving and advanced driver assistance technologies become widespread, the debate over speed limits may also change.

If vehicles can communicate with each other and share information about congestion, accidents, weather, and road conditions ahead, variable speed limits that change according to time and conditions will become even more important.

Higher speeds could be allowed during low traffic, dry road, and good visibility times, while speeds would automatically be reduced during rain, snow, fog, congestion, construction, or accidents. Technologically, this may be more reasonable than a system that always restricts all roads to the same speed.

However, even if vehicle performance improves, human reaction speed itself will not dramatically increase. As long as old cars, new cars, large trucks, and motorcycles coexist, the overall road speed cannot be determined based solely on high-performance vehicles.

In the future, "the right of humans to freely choose speed" may be prioritized less than "optimizing overall safety and flow by the traffic system."##HTML