The government had originally promised the train would carry between 22,000 and 37,000 people per day. Current ridership is about 3-5% of that, with three of the four most popular stations — Cancun, Merida, Palenque and Campeche — already in service.

Admittedly, the rail line down the heavily traveled corridor linking Cancun and the resorts of Playa del Carmen and Tulum — an area known as the Riviera Maya — isn’t finished yet, and only 17 trains are operating; three times as many may eventually be added.

But critics say there is little hope that the Cancun-Tulum line will make the project profitable, because it doesn’t run particularly near any of the resort towns it is supposed to serve.

The Cancun-Tulum railway was originally supposed to run on an elevated line over the coastal highway, where most hotels are. But facing technical difficulties, the government changed the route by cutting a 68-mile (110-kilometer) swath through the jungle and moving the tracks about 4½ miles (7 kilometers) inland.

So instead of hopping one of the micro-buses that run constantly down the coastal highway, tourists or resort workers would have to take a taxi to the train station, wait for one of the few daily trains, and then take another taxi to the resorts once they reach their destination.

“The uselessness of this project was foreseeable,” said Jose “Pepe” Urbina, a local diver who opposes the train because its steel pilings have damaged the caverns he has explored for decades. “In reality, the train doesn’t go anywhere you couldn’t get to by highway before.”

“These are rail lines that don’t provide any useful service for workers, for students, for any daily use,” Urbina said.

One thing the railway project did create was jobs: Manuel Merino, the governor of the Gulf coast state of Tabasco, said the Maya Train had created 20,000 direct or indirect jobs in his state and lowered the unemployment rate by 40%.