The project focuses on efficiency improvements and future-proofing the airport.
The inmates are now working on the Apice-Hirpinia section of the railway.
Amtrak is spending $2.6bn to upgrade key Northeast Corridor rail yards.
The concourse marks the first step in O’Hare’s ORD Next expansion.
Nairobi’s skyline shifts as new viaducts and a flyover rise to ease traffic.
Delays hit the expressway as financiers balk over Chinese involvement.
The new airport will handle 150 million passengers by 2050.
Huajiang Grand Canyon Bridge soars 625 metres above the Beipan River.
Second runway and new terminal planned in Nairobi airport.
Critics demand audit of President Mnangagwa’s flagship road project.