The Portuguese specialist transport publication "Transportes em Revista" reports that SMTUC, the city bus company for the famous University town of Coimbra, has today announced the introduction of a new ticketing system “Bilhete Horário” which allows passengers to by a ticket valid for travel on the city's buses for one hour. This allows passengers to changes buses without purchasing a new ticket for a new sector within a period of 60 minutes..
Article here (in Portuguese): http://bit.ly/12AfzRq