The Autopista A4, signed as the Via a la Vida, known as Autopista Este-Oeste or Autopista Nacional Este-Oeste, is a Cuban motorway linking Havana to Pinar del RÃÂo. It is a toll-free road and has a length of . Along with the Autopista A1 (Autopista Nacional), partly built, that will link Havana to Guantánamo, it is classified as part of the whole Autopista Nacional route, spanning the length of the island; as the Carretera Central highway.
The motorway, connected to the A1 via the Havana Beltway (A2), was opened on December 19, 1989.
In 2012 the plan of a creation of a more direct route from the A4 motorway to the city of Artemisa was made. They decided to make it a 4 lane highway, with construction beginning in 2015, and completed 2022. This road is commonly referred to as the Vial AutopistaâÂÂArtemisa (MotorwayâÂÂArtemisa Road).
The A4 is a dual carriageway with 6 lanes from Havana to Guanajay, 4 lanes from Guanajay to Pinar del RÃÂo, and has some at-grade intersections with rural roads. From Guanajay it is a beltway (Autopista ZEDM) linking the A4 to the Port of Mariel.