National Route 402 (N402) forms part of the Philippine highway network. It runs through the rural municipalities of Cavite.
N402 covers the Tanza to Tagaytay segment of NoveletaâÂÂNaicâÂÂTagaytay Road, according to the Department of Public Works and Highways.
N402 starts at N64 (Antero Soriano Highway) as Santa Cruz Street, a one-way street into the población of Tanza. In front of the entrance to the Diocesan Shrine of Saint Augustine, it then turns southwest as San Agustin Street, becomes a two-way street at its intersection with Santo Domingo Street. It meets the Biwas Roundabout past the Tanza Bridge, and once again meets Antero Soriano Highway at the Tanza Junction and proceeds towards Naic.
Within the población of Naic, N402 turns southwest towards J. Poblete Street (some of its segments is also known as Sabang Road) and then, in front of the Naic Church, veers southeast as Capt. Ciriaco Nazareno Street, which is one-way southbound up to Burgos Street. Past Governor's Drive at San Roque Crossing, it proceeds towards Indang as NaicâÂÂIndang Road. It then enters the población of Indang alternatively known as A. Mojica Street and ends at De Ocampo Street. It then continues as De Ocampo Street (one-way northbound/westbound), San Miguel Street, and A. Mabini Street (where it overlaps the IndangâÂÂAlfonso via Luksuhin Road, a tertiary road), veers south in front of Indang Church as San Gregorio Street, and continues as San Gregorio Extension.
At the end of San Gregorio Extension, the road intersects Trece MartiresâÂÂIndang Road and proceeds southeast towards Mendez as IndangâÂÂMendez Road (MendezâÂÂBunaâÂÂIndang Road). It then enters the municipality of Mendez, where it becomes C. Llamado Street and Osorio Street, both one-way southbound streets, before ending at the latter's junction with J.P. Rizal Street in Mendez población.
At the junction of J.P. Rizal and Osorio Streets, the road proceeds southeast towards Tagaytay as MendezâÂÂTagaytay Road. The Tagaytay segment is also known as TagaytayâÂÂCavite via Mendez Road. It finally terminates at TagaytayâÂÂNasugbu Highway at Mendez Crossing, Tagaytay.
The direct predecessor of N402 is Highway 25, which connected Bacoor with Tagaytay via Naic especially during the 20th century.