30-mile backup at Czech border as Polish border guards last week questioned every driver as to where from, where going, health status
In addition to the closure announced last week of the external borders of the European Union, individual EU states have begun to promulgate their own restrictions on inter-EU travel and transport, intended to slow the spread of COVID-19.
The European Commission has created and is continually updating a list of these travel restrictions here: https://ec.europa.eu/transport/coronavirus-response_en