Photo from FoodTruckFiesta.com.
District Taco is a Mexican taco truck in Washington D.C. Their tacos are fresh and home made. They've also hosted a taco eating contest in the past!
Where is this truck usually parked?Edit
Crystal City in the little island between 23rd ST and Crystal Drive. Rosslyn on N Lynn St just north of Wilson Blvd.
Every taco is just $2.25. However they also serve huervos rancheros and burritos, which are more in the $7-$8 range. They also offer a wide variety of toppings.