Delaware State Highway 300
![Delaware State Highway 300 sign.](img/DE/DE19553001i1.jpg)
1955 specification highway marker.
Delaware 42 and 300 shield assembly in Kenton.
Photo by Alex Nitzman, 7/11/1994.
1955 specification highway marker.
Delaware 42 and 300 shield assembly in Kenton.
Photo by Alex Nitzman, 7/11/1994.