 There are also exit and entrance ramps at Shepherd Drive.Motorists can enter Memorial Drive from northbound (by way of the I-45 northbound/Pease Street distributor ramp) or southbound Houston Avenue, Prairie Street, and Capitol Street.Motorists exit either to I-45 southbound and Pierce, Jefferson and Bagby Streets (by way of the Heiner Street distributor elevated ramp), Rusk Street, or Texas Avenue.