The long-awaited Gateway rail tunnel project could be one of the winners if President Trump and Democratic leaders make good on

their plan to spend $2 trillion to upgrade the nation’s infrastructure

.

The Hudson River tunnel to service trains on Amtrak’s Northeast Corridor could cost as much as $30 billion.

The infusion of funds could also pay for updates and repairs to the century-old North River Tunnels damaged by Hurricane Sandy, the refurbishing of Kennedy and La Guardia airports, building a Moynihan Train Terminal at the James Farley Post Office site, completing Phase 2 of the Second Avenue Subway to East Harlem and rebuilding the Kosciuszko Bridge.