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| Governor's Drive Trece Martires–Naic Road Dasmariñas–Trece Martires City–Naic Road | ||||
N403 and its reasurrance sign in Trece Martires
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| Route information | ||||
| Maintained by Department of Public Works and Highways (DPWH) - Cavite 1st District Engineering Office & Cavite 2nd District Engineering Office | ||||
| Length | 12.55 km[1][2] (7.80 mi) | |||
| Major junctions | ||||
| East end |    N64 (Tanza–Trece Martires Road) / N65 (Governor's Drive) / N404 (Trece Martires–Indang Road) in Trece Martires | |||
| West end | Antero Soriano Highway, Sabang Road, and Governor's DriveinNaic, Cavite | |||
| Location | ||||
| Country | Philippines | |||
| Provinces | Cavite | |||
| Major cities | Trece Martires | |||
| Towns | Naic, Tanza | |||
| Highway system | ||||
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National Route 403 (N403) forms part of the Philippine highway network. It runs through central Cavite.[1][2] It connects the city of Trece Martires to the municipality of Naic.
The segment of Governor's Drive from its intersection with N64 (Tanza–Trece Martires Road) and N404 (Trece Martires–Indang Road) in the city proper of Trece Martires to its intersection with Antero Soriano Highway and Sabang Road in the town proper of Naic. It also passes through the municipality of Tanza in between.[3]
This route is also known as Trece Martires–Naic Road and Dasmariñas–Trece Martires City–Naic Road.[1][2][4]
The entire route is located in Cavite. Intersections are numbered by kilometer posts, with Rizal ParkinManila designated as kilometer zero. The kilometer count is discontinuous.
| City/Municipality | km[3] | mi | Destinations | Notes | |
|---|---|---|---|---|---|
| Trece Martires | 44.320 | 27.539 | N64 (Tanza–Trece Martires Road) / N404 (Trece Martires–Indang Road) – Tanza, Indang, Dasmariñas | Continues east as  N66 (Governor's Drive) | |
| 45.000 | 27.962 | Route 403 reassurance sign | |||
| 45.647 | 28.364 | Puting Tubig Bridge | |||
| 46.047 | 28.612 | Pasong Balite Bridge | |||
| 47.016 | 29.214 | Vaquero Bridge | |||
| Tanza | No major intersections | ||||
| Tanza–Naic boundary | 44.301 | 27.527 | Cavite 1st District Engineering Office–Cavite 2nd District Engineering Office highway boundary | ||
| Naic | 45.947 | 28.550 | Antero Soriano Highway, Sabang Road, Governor's Drive | Governor's Drive turns south as an unnumbered highway, while road physically continues west as Sabang Road; kilometer number reverses | |
| 1.000 mi = 1.609 km; 1.000 km = 0.621 mi | |||||
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