ISTANBUL — On Nov. 17, a minibus and a metrobus (articulated bus) collided head on in Istanbul, leaving at least one dead. The collision occurred after the minibus had reportedly entered the restricted road made for only the use of metrobuses. The accident took place in the Merter district of Istanbul on the D-100 highway. It is illegal to enter the restricted road and an investigation has been launched to find the cause of the minibus entering the road.Police and ambulances quickly rushed to the scene after numerous phone calls were made to the police. Both drivers were pinned in their vehicles after the head on collision. The accident led to the closure of both ways of the highway. The driver of the minibus reportedly died at the hospital he was admitted.An articulated bus is an articulated vehicle used in public transportation. It is usually a single-deck design, and comprises two rigid sections linked by a pivoting joint.