19 Mayıs Tunnel
19 Mayıs Tunnel (), is a highway tunnel constructed on the Samsun-Çorum highway in Samsun Province, northern Turkey. It is situated near Paşapınarı village of Havza, Samsun. The -long twin-tube tunnel carrying two lanes of traffic in each direction is flanked by -long Havza Tunnel in the north and -long Şehzadeler Tunnel in the south on the same highway. The tunnel was opened to traffic on February 15, 2009 by Turkish Prime Minister Recep Tayyip Erdoğan.