Dowd Avenue is a major thoroughfare in Elizabeth, New Jersey which serves the residential district. The street is 1.05 miles (1.69 km) long, beginning at an intersection with Trumbull Street in Elizabeth, continuing on a west–east alignment to the intersection with North Avenue at New Jersey Route 81. The street was formerly known as Humboldt Avenue by the city of Elizabeth and formerly maintained by the New Jersey State Highway Department (now the New Jersey Department of Transportation) as an alignment of Route 164.