Cordon–Diffun–Maddela–Aurora Road

Cordon–Diffun–Maddela–Aurora Road or Cordon–Aurora Road signed as National Route 108 (N108) of the Philippine highway network, is a 109.72-kilometer (68.18 mi) national secondary road. It traverses the municipality of Cordon in the province of Isabela, all the municipalities in the province of Quirino (Diffun, Cabarroguis, Saguday, Aglipay, Maddela and Nagtipunan) and the municipality of Dipaculao in the province of Aurora.

Cordon–Diffun–Maddela–Aurora Road
Cordon–Aurora Road Cordon–Aurora Boundary Road Maddela–Dinadiawan Road Cordon–Diffun Road
The highway in Cabarroguis town proper
Route information
Maintained by Department of Public Works and Highways
Length	109.72 km (68.18 mi)
Major junctions
North end	AH 26 (N1) (Pan-Philippine Highway) in Cordon
South end	N112 (Baler–Casiguran Road) in Dipaculao
Location
Country	Philippines
Provinces	Isabela, Quirino, Aurora
Towns	Cordon Aglipay Cabarroguis Diffun Maddela Nagtipunan Saguday Dipaculao Dinalungan
Highway system
Roads in the Philippines Highways Expressways List
← N107 → N109

Route description

It serves as the only major road traversing the province of Quirino as well as connecting the province of Isabela to the province of Aurora.

The road starts in the town of Cordon, Isabela at the intersection with the Pan-Philippine Highway. It is locally known as the Cordon–Diffun Road.

It continue southwards into the province of Quirino in which it is locally known as Cordon–Aurora Boundary Road. It traverses through the town of Diffun and Cabarroguis into a junction with Cabarroguis–Santiago Road, it briefly passes through the town of Sagupay and continue to the town of Aglipay into a junction with Echague–Jones–Maddela Road in Maddela, it continues southwards into the town of Nagtipunan and into the province of Aurora.

The road continues to the town of Dinalungan in which it is locally known as Maddela–Dinadiawan Road and ends at the junction with Baler–Casiguran Road.

Intersections

Intersections are numbered by kilometer posts, with Rizal Park in Manila designated as kilometer zero. 

Province	City/Municipality	km	mi	Destinations	Notes
Isabela	Cordon			N1 (Maharlika Highway) – Manila, Tuguegarao, Cauayan, Ilagan	Northern terminus. Westbound to Manila via Nueva Vizcaya; eastbound towards Cagayan.
Quirino	Diffun			Maria Clara–Gabriela Silang Road
				Santiago–Diffun Road — Santiago	Bypasses Cordon town proper.
				Liwayway Road	Road to Brgy. Liwayway in Diffun.
				Diffun–Dumanisi–Magsaysay–Ifugao Village Road
				San Marcos–Ricarte Sur Road
	Cabarroguis			San Marcos–Balagbag–Saguday Road — Saguday
				Capitol Hills Road	Loops back to highway. Access to Quirino Provincial Capitol.
				Gundaway–Zamora Road / Antonio Luna Street / George Capinpin Street	Cabarroguis town proper.
				Benigno Aquino Boulevard (Gundaway–Burgos Road)
				B. Cualo Road
				NRJ Mangandingay–Saguday–Santiago Road — Saguday, Santiago	Alternate road bypassing Cabarroguis, Diffun and Cordon town propers.
	Saguday			Banuar–Dumabel Road
				Dibul–Gamis Road
	Aglipay			Dalemdem–Pinaripad–Palacian Bypass Road	Northern end of bypass road.
				Pinaripad Sur–Disilwad Road
				Dalemdem–Pinaripad–Palacian Bypass Road	Southern end of bypass road.
				Palacian–San Francisco Road
				Victoria–San Francisco Road
				Victoria–Maddela–Alicia–Kasibu Road
	Maddela			Echague–Jones–Maddela Road — San Agustin, Jones, Echague
				NRJ–Villa Sur–San Pedro–Cabua-an–Ysmael–Disimungal Road	Northern end of road.
				Dumabato–Balligui Road
				Cabaruan Road	Leads to Brgy. Cabaruan in Maddela.
	Nagtipunan			Maddela–Nagtipunan–Nueva Vizcaya Road	Leads inward to Nagtipunan municipality and ends at Dupax del Norte in Nueva Vizcaya.
				Sangbay–Anak Road
				NRJ–Villa Sur–San Pedro–Cabua-an–Ysmael–Disimungal Road	Southern end of road.
Aurora	Dipaculao – Dinalungan boundary			No major junctions
	Dipaculao			N112 (Baler–Casiguran Road) – Baler, Casiguran, Dilasag	Southern terminus.
1.000 mi = 1.609 km; 1.000 km = 0.621 mi       Unopened