Trafikverket Warns of Hazardous 'Bleeding Asphalt' Amid Sweden Heatwave

Sweden is experiencing a heatwave with temperatures reaching around 35 degrees Celsius, leading Trafikverket to warn drivers about the dangerous phenomenon of "bleeding asphalt." This condition occurs when the binder in asphalt softens and rises to the surface, creating slippery road conditions particularly hazardous on newly laid asphalt less than two years old and on south-facing slopes where the sun's impact is strongest. Jan-Erik Lundmark, Trafikverket's national coordinator for pavement, emphasized the increased risk on these surfaces and advised drivers to stay alert, maintain distance, and not feel compelled to drive at the speed limit of 110 km/h due to road hazards. Although no incidents of bleeding asphalt have been reported yet, Trafikverket is actively inspecting roads and encourages public reporting of slippery areas.

The heatwave’s impact extends beyond roads: disruptions affecting both road and train traffic have been noted, including closures of some train routes in Småland and Värmland due to rail buckling risks. The Swedish Meteorological and Hydrological Institute (SMHI) has issued a yellow warning for high temperatures affecting several cities, including Stockholm, Jönköping, Karlstad, and Örebro. In response, vulnerable populations such as elderly residents at Kornellen nursing home in Örebro are receiving extra care with hydration and sun protection measures.

Travelers are urged to carry water, stay informed about traffic updates, and exercise heightened caution during this summer heatwave. Trafikverket's warnings and ongoing monitoring underscore the unique challenges posed by extreme weather to Sweden’s transport infrastructure and public safety during the peak holiday season.