After the 1950s, Entre-Deux underwent a series of changes to stop the economy from stagnating, with roads, buildings, reservoirs and electronic networks being set up in the town, as with much of the island, thanks in part to the French state.
In the aftermath of the 1950s, Entre-Deux underwent a period of development aimed at revitalizing its economy, involving the construction of infrastructure such as roads, buildings, reservoirs, and electronic networks, which was facilitated by French state investment.