Big Cheese Truck: Federal Center (Third and D sts., SW). 

Curbside Cupcakes: Pinky One: First stop: L'Enfant Metro (Seventh St. and Maryland Ave., SW); Second stop: Waterfront Metro (Fourth and M sts., SW); Third stop: NOMA (First and N sts., NE); Fourth stop: Navy Yard/DOT (M St. and New Jersey Ave., SE). Pinky two: First stop: McPherson Square (13th and K sts., NW); Second stop: Superior Court (Sixth St. and Indiana Ave., NW); Third stop: Chinatown (Seventh and G sts., NW); Fourth stop: Barracks Row (Eight St. and Pennsylvanian Ave., SE).

DC Empanadas: State Department (21st St. and Virginia Ave., NW) with traditional beef, pork, and veggie empanadas, and Mexican hot chocolate.

DC Pie Truck: L'Enfant (roughly Seventh and D sts., SW).

DC Slices: 20th and L streets, Northwest, with slices, tater tots, and chili.

Eat Wonky: Metro Center (12th and G sts., NW).

El Floridiano: Federal Center (Third and D sts., SW) with baked-potato-and-bacon soup and spicy carrot-ginger bisque.

Pedro and Vinny's: 15th and K streets, Northwest.

Porc Mobile: Franklin Square (13th and K sts., NW) with chicken and chipotle-beef-chorizo sausage.

Red Hook Lobster Truck: Metro Center (12th and G sts., NW).

Sâuçá: Pangea will be at 17th and K streets, Northwest; Saucalito will be at Fourth and E streets, Southwest; and Marco Polo will be at 19th and North Lynn streets, Arlington (Rosslyn).

Sidewalk Sweets: First stop: Fourth and M streets, Southwest.

Sweet Flow Mobile: L'Enfant (roughly Seventh and D sts., SW) with salads, wraps, and frozen yogurt.

Taco Carrito: 900 North Stuart Street (between N. Ninth St. and Wilson Blvd.), Arlington, from 11:30 to 1:30.

Tasty Kabob: Cart 1: 1200 South Hayes Street (at S. 12th St., Arlington); Cart 2: 1525 Wilson Boulevard (next to Safeway and Lynne St.), Arlington, from 11 to 3.

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