Mörfelden-Walldorf (dpa/lhe) - A motorcyclist was seriously injured in a traffic accident on Autobahn 5 near Mörfelden-Walldorf (Groß-Gerau district) on Thursday afternoon. According to the police, the 20-year-old was traveling in a northerly direction when he left the roadway without any outside influence for reasons that have not yet been clarified. According to the announcement, he crashed into a warning beacon and then threw himself across all four lanes to the right. According to the police, he was seriously injured in the hard shoulder. Three of the four lanes of the A5 had to be temporarily closed. A backlog formed.