The new budget contains money to begin operations of phase two of the Silver Line. Here, work continues on the Dulles Airport Metro station on July 11, 2019. (Katherine Frey/The Washington Post)

The Metro board on Thursday approved a budget for the fiscal year that begins July 1, but acknowledged it may have to be revisited as soon as June because of the fiscal uncertainty created by the coronavirus pandemic.

Officials said some services and new initiatives might have to be cut back after state and local governments cautioned they might not be able to meet their funding commitments to the agency because of revenue losses caused by the crisis.