[b][1][2][3][4][5] Villa Verde Trail is part of this highway, famous for being a major battleground during the Second World War.

Villa Verde Trail, a part of this highway located at Barangay Malico, San Nicolas, Pangasinan[c] become a battleground during the Second World War.

[9][10] The road serves as major road connecting the city of Palayan and the towns of Laur, Gabaldon, Dingalan in the province of Aurora as well as the towns of Santo Domingo, Guimba, Cuyapo and Rosales and vice versa.

[11] The highway continues at the junction with Umingan–Carmen Road (N56) at the town proper of Rosales, Pangasinan.

After the reaching the town proper of San Nicolas, it continues upland with into Caraballo Mountains where it locally known as Villa Verde Trail or Malico Road.