| Country: | PHL |
| Type: | E |
| Route: | 3 |
| Expressway 3 | |
| Established: | 2014 |
| Section1: | Main section |
| Direction A1: | Northwest |
| Direction B1: | Southeast |
| Terminus A1: | in Parañaque |
| Junction1: |
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| Terminus B1: | in Biñan |
| Regions: | Metro Manila, Calabarzon |
| Previous Type: | E |
| Next Type: | E |
| Previous Route: | 2 |
| Next Route: | 4 |
Expressway 3 (E3) forms a part of the Philippine expressway network. Its main route runs from Parañaque to Kawit, Cavite as the Manila–Cavite Expressway and from Kawit, Cavite to Biñan, Laguna as the Cavite–Laguna Expressway. [1]
See main article: Manila–Cavite Expressway. E3 starts as a continuation of Roxas Boulevard southwards from its intersection with NAIA Road and Seaside Drive in Parañaque as the Manila–Cavite Expressway. It parallels Quirino Avenue in Parañaque, which continues as Diego Cera Avenue in Las Piñas. It continues further south as Aguinaldo Highway when it enters the Province of Cavite. It continues until it reaches Kawit, which ends and becomes the Cavite–Laguna Expressway.
See main article: Cavite–Laguna Expressway. E3 continues as Cavite–Laguna Expressway at Kawit Exit, an interchange with Tirona Highway (N62), Antero Soriano Highway (N64) and CAVITEX in Kawit, Cavite. It traverses from Kawit, Cavite, continuing its parallel run to the Aguinaldo Highway until Silang Exit, to which then it turns to run parallel to Governor's Drive up until its other end in Biñan, Laguna, where it ends at a roundabout with the Mamplasan Exit of the South Luzon Expressway (E2), Greenfield Parkway, and LIIP Avenue.