Tuesday night is expected to draw heavy crowds in San Antonio as Night in Old San Antonio begins and the Spurs host Game 2 of their playoff series at the Frost Bank Center.

As volunteers set up booths and fans head downtown, San Antonio police are warning of heavier-than-usual traffic.

Plan ahead, allow extra time and be patient, SAPD spokesperson Sharavious Jackson said, offering advice to those heading downtown or to the East Side.

Night in Old San Antonio opens Tuesday at La Villita Historic Arts Village downtown, kicking off the four-night Fiesta staple that runs from 5:30 to 10:30 p.m. through Friday.

The event, now in its 78th year, began in 1948 and has grown into one of Fiesta’s signature draws, bringing thousands downtown for food, music and cultural booths.

On the near East Side, the Spurs are set to host the Portland Trail Blazers at 7 p.m. Tuesday at Frost Bank Center in Game 2 of their Western Conference first-round playoff series.

San Antonio took Game 1 on Sunday and will try to carry that momentum into its second home game before the series shifts to Portland.