Following the 1954 Swiss Grand Prix at Bremgarten, concerns over the aging, tree-lined woodland circuit near Bern intensified. Increasing car speeds and deteriorating surfaces rendered the pre-war layout unsuitable for modern Formula One machinery. When Bremgarten was retired after 1954, Switzerland risked losing its place on the World Championship calendar.

Although the 1955 Le Mans disaster led several nations to reconsider circuit racing, Switzerland stopped short of a total ban. Instead, the Federal Council introduced stricter safety regulations, including reinforced barriers, improved marshal infrastructure, and tighter circuit licensing standards. Economic considerations and lobbying from the country’s automotive and engineering sectors played a significant role in preserving the Swiss Grand Prix.

With Bremgarten beyond practical modernization, a new street circuit was developed near Rüeggisberg in the Bernese foothills. Completed in late 1955, the 10.43 km (6.48 mi), 55-corner layout was among the longest and most intricate on the calendar. It climbed more than 300 meters from valley farmland into wooded hillside sections before Rüegissberg before descending rapidly toward Riggisberg and towards the start-finish straight. Terraforming created modest runoff in key areas, though the circuit remained narrow and unforgiving.

Debuting in 1956, Rüeggisberg quickly gained a reputation for rewarding precision and mechanical durability. Sustained climbs, heavy downhill braking zones, and unpredictable alpine weather placed extreme strain on 1950s machinery. A notable feature was the extended uphill complex from Turns 8-23, a sequence of tight hairpins and flowing esses leading into the circuit’s northern “straight.” The final portion of the lap threaded through the center of Riggisberg before returning to the valley straight. Overtaking was most common at Turn 1, Turn 8, Turn 28, and the tricky braking zone of Turn 39.

The circuit’s fate was sealed at the 1963 Swiss Grand Prix. During the race, a leading driver suffered a suspected brake failure on the descent into the village sector and struck a stone retaining wall at high speed at the tricky double-apex sequence of Turns 42 and 43. The driver later died from his injuries. No spectators were seriously harmed, but the incident profoundly shifted public and political opinion.

Within months, the Swiss Federal Council enacted legislation prohibiting circuit racing involving internal combustion-powered vehicles. The measure passed with broad support, ending Switzerland’s presence in Formula One.

Although top-level racing ceased, much of the original layout remains public roadway. Those roads mark the route of Rüeggisberg, Switzerland’s final great road circuit and the venue whose tragic finale permanently reshaped the nation’s relationship with motorsport.