According to Article 12 of Regulation 561/2006, the driver is allowed to deviate from the rules regarding rest time, driving, etc. (Articles 6-9) in the case of an unpredictable situation (e.g., a traffic accident, road blockage, etc.), as long as it does not compromise road safety.
In such a case, the driver must do the following:
When reaching the nearest suitable place to stop, the driver must either remove the tachograph chart or print the data from the digital tachograph, and then write the reasons for this action on the chart or printout (e.g., “traffic accident on road D1 at 14:00” or “no parking available,” etc.).