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Route 1
Route information
Length	3,666 km (excluding 19 kilometres (12 mi) gap in Metro Manila and sections over Autonomous Region of Muslim Mindanao totalling 112 kilometres (70 mi)) (2,278 mi)
Existed	2014–present
Section 1
Length	1,410 km (880 mi)
North end	N2 in Laoag
Major junctions	N51 in Tuguegarao N53 in Cauayan N51 in Santiago N58 in Santa Rosa N3 in Gapan E1 / AH26 in Guiguinto N2 / E1 / AH26 in Tabang, Guiguinto N120 / AH26 / N150 in Caloocan E1 / AH26 / N160 in Balintawak, Quezon City N59 in Cubao, Quezon City N60 in Ugong Norte, Quezon City E2 / N145 in Makati N61 / N120 / AH26 in Pasay
South end	N61 / N120 / AH26 in Pasay
Luzon (Muntinlupa-Matnog)
Length	784 km (487 mi)
North end	E2 / AH26 / N411 / N142 in Alabang, Muntinlupa
Major junctions	N65 in Biñan N66 in Calamba N4 in Santo Tomas N605 in Lucena N68 in Tagkawayan N68 in Sipocot N636 in Ligao N630 in Daraga
South end	Port of Matnog
Eastern Visayas
Length	397 km (247 mi)
North end	Allen Ferry Terminal
Major junctions	N670 in Allen N672 in Calbayog N674 in Paranas N670 in Basey N70 in Palo N70 in Mahaplag N692 in Sogod N690 in Liloan N691 in Liloan
South end	Port of Liloan
Mindanao
Length	1,074.5 km (667.7 mi)
North end	Port of Lipata in Surigao City
Major junctions	N9 in Butuan N73 in Trento N74 in Tagum N10 in Davao City N75 in Digos N935 in General Santos N940 in Koronadal N76 in Isulan N9 in Tukuran N79 in Ipil
South end	Zamboanga City
Location
Provinces	Ilocos Norte, Cagayan, Isabela, Nueva Vizcaya, Nueva Ecija, Bulacan, Metro Manila, Laguna, Batangas, Quezon, Camarines Norte, Camarines Sur, Albay, Sorsogon, Northern Samar, Samar, Eastern Samar, Leyte, Southern Leyte, Surigao del Norte, Agusan del Norte, Agusan del Sur, Compostela Valley, Davao del Norte, Davao del Sur, Sarangani, South Cotabato, Lanao del Norte, Zamboanga del Sur, Zamboanga Sibugay
Highway system
Roads in the Philippines Highways Expressways List ← AH26 N2 →

The National Route 1 (N1) is a major highway in the Philippines running from Luzon to Mindanao. Except for a 19 kilometers (12 mi) gap in Metro Manila and ferry connections, the highway is generally continuous. Most sections of N1 forms the Pan–Philippine Highway except for sections bypassed by expressways.

Route description

N1 follows a route that runs from Laoag in Ilocos Norte to Zamboanga City via Bicol Region, Eastern Visayas and eastern parts of Mindanao. The highway connects most major regional centers on its route, and runs through different landscapes. The highway is mostly named Maharlika Highway, but other sections uses different names.

Ilocos Region

N1 begins at Laoag, at the endpoint of Manila North Road (N2) in front of the Ilocos Norte Provincial Capitol. The highway then runs as a principal city street named General Segundo Avenue, which passes through the city proper and through its outskirts. Approaching Bacarra, it becomes a rural highway, lined with a 69,000 volt power line that feeds power from the Bangui Wind Farm. At Bacarra, it bypasses the town center to the north and runs through a rural area and then enters Pasuquin, where it serves as a major municipal street. Between Bacarra and Burgos, it becomes a rural two-lane highway that closely parallels a transmission line from Burgos Wind Farm and passes through interspersed barangays along the South China Sea (West Philippine Sea) coastline. It soon climbs the mountains upon approach to Burgos, where the highway directly serves the town. The highway zigzags through the rough terrain, and overlooks the beach where Bangui Wind Farm lies. It then passes through Bangui, where it runs as a major street on the town center, crosses Bulu River and enters Pagudpud, which it bypasses. N1 runs through the foothills that mark the edge of the Northern Luzon Cordillera and runs close to the coastline of Bashi Channel, where the highway zigzags through the cliffs. Below Mount Patapat, the highway runs through the Patapat Viaduct, a 630-meter (0.39 mi) viaduct that is required for the highway to pass the steep cliffs marking the northern edge of the Luzon Cordillera.

Cagayan Valley

Central Luzon

Nueva Ecija

Bulacan

The high soon enters Bulacan, at San Miguel, where it begins on a straight route, and becomes known as Doña Remedios Trinidad Highway. N1 then enters the poblacion of San Miguel, which it bypasses, and the highway begins to curve through most of its length between San Ildefonso and San Rafael, where the route runs through rice paddies. N1 closely follows a transmission corridor between the San Miguel-San Ildefonso boundary and San Rafael, and a Meralco subtransmission line uses the highway on that portion. Plaridel Bypass Road intersects with Doña Remedios Trinidad Highway just before approaching the poblacion of San Rafael. The highway curves to the southwest near Baliuag, where the old Cagayan Valley Road enters Baliuag. The highway serves as a bypass of Baliuag, with a flyover built on the intersection with another national road leading to Candaba. A Meralco subtransmission line follows the highway again up to Pulilan, where it leaves to follow Pulilan Bypass and Pulilan Regional Road. At Pulilan, it serves as a principal route through the town center. At Guiguinto, it crosses the North Luzon Expressway (NLEX) along with an interchange. It soon crosses the original route of NLEX at barangay Tabang, where it also crosses the Philippine National Railways right of way. N1 begins to follow MacArthur Highway, which serves as a major toll-free highway over southern Bulacan. It soon enters Balagtas, where it directly passes through its poblacion. The highway soon crosses the Bigaa River, where it passes through residential and industrial areas, and curves upon entrying Bocaue, where it bypasses the town center. A flyover restricted for use by light vehicles crosses Governor F. Halili Avenue to Santa Maria, and service roads serve as frontage and heavy vehicle routes. N1 then curves, then, runs through the residential barangays of Bocaue and soon enters Marilao.

Metro Manila

Valenzuela to Pasay

Entering Metro Manila, the highway follows MacArthur Highway over Valenzuela, Philippines, which runs on a four to six-lane highway up to the Bonifacio Monument in Caloocan. N1 then turns left to follow the whole EDSA to Pasay. The whole road is notorious for congestion which cause delays as well as economic losses in the metropolis. EDSA runs through the central business districts of Metro Manila, most notably Araneta Center, Ortigas Center, and Makati Central Business District. The MRT Line 3 and the LRT Line 1 extension utilizes the center island of EDSA on most segments between Caloocan and Pasay. N1 ends below the EDSA Flyover in Pasay. A 19-kilometer (12 mi) gap in the highway is filled by the South Luzon Expressway and Skyway between Makati and Muntinlupa

Muntinlupa

N1 starts again below the Alabang Viaduct in Alabang, Muntinlupa, where it intersects with South Luzon Expressway (SLEX/E2/AH26), Alabang–Zapote Road, and Montillano Street (N142). The highway assumes the name Maharlika Highway, or locally, National Road. It runs as a commercial artery through the city until the boundary with Laguna in San Pedro over the Tunasan River.

CALABARZON

San Pedro-Calamba

N1 generally serves as a four-lane toll-free highway serving the suburban cities of northwestern Laguna alongside the toll South Luzon Expressway. Most sections of N1 between San Pedro and Calamba serve as commercial streets. It is mostly lined by high voltage sub-transmission lines owned by Meralco, which are placed along the highway for economic and accessibility reasons. Except for a bridge in San Pedro which has not been widened, most of N1 is four lane with a painted median divider.

It enters Laguna in San Pedro, where it serves as a major commercial street, with a maximum of 4 lanes. At Biñan, it intersects N65 in a traffic light intersection west of the poblacion.

Bicol Region

History

Intersections

Bypasses

Laoag Bypass Road

The Laoag Bypass Road is a 8-kilometer (5.0 mi) bypass that serves as an alternative route to Laoag International Airport.

Felipe Vergara Highway

Felipe Vergara Highway is a 10-kilometer (6.2 mi) city-maintained bypass of Maharlika Highway over Cabanatuan.

Plaridel Bypass Road

Baliuag Bypass Road

Tiaong Bypass Road

Candelaria Bypass Road

Sariaya Bypass Road

Zigzag Road

Lopez Bypass Road

Almeda Highway

Pili Bypass Road

Carlos P. Garcia Highway (Davao Bypass Road)

References

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