High Quality Content by WIKIPEDIA articles! The North Luzon Expressway (NLE or NLEx), and which is formerly called the North Diversion Road and Manila North Expressway (MNEX), and officially known as Radial Road 8 is a 4 to 8-lane limited-access toll expressway that connects Metro Manila to the provinces of the Central Luzon region in the Philippines. It is one of the two branches of the Radial Road 8 (R-8) of Metro Manila (Quirino Highway is the other). It was built in the 1960s