[4] Being discontinuous for decades, it was funded in 1976 by virtue of Presidential Decree No.

[6][7] In 2004, an entire segment within Camarines Sur was renamed to Rolando R. Andaya Highway, in honor of the late representative from the province, by virtue of Republic Act No.

A concurrent repair project on the Lupi segment further exacerbated the problem.

It then enters the province of Quezon and traverses the towns of Calauag, Guinayangan, and Tagkawayan, where it bypasses its municipal center.

It re-enters Bicol Region, this time at Camarines Sur and traverses Del Gallego, Ragay, Lupi, and Sipocot, where it ends and reunites with Maharlika Highway.