), which runs between Willow Grove and Highland Acres along an alignment further to the south, passing through Woodside and Rising Sun.

From the state line, the route heads east on two-lane undivided Willow Grove Road through a mix of farmland and woodland with some homes.

The road curves northeast and runs through the community of Petersburg before coming to an intersection with the western terminus of DE 10 Alt.

[3][4] The road continues northeast into the town of Camden and passes homes along with some businesses, becoming Caesar Rodney Avenue at the South Street intersection.

The route continues through residential areas, passing north of the Camden Friends Meetinghouse and crossing US 13 Alt.

The road heads east-northeast and passes through areas of suburban residential development to the south of the city of Dover in Highland Acres.

The route intersects Sorghum Mill Road, which leads south to the community of Lebanon, and curves to the northeast.

The road crosses the St. Jones River in marshland and continues into a business area, reaching an interchange with access to and from the southbound direction the DE 1 freeway.

DE 10 comes to its eastern terminus within this interchange at an intersection with Bay Road at the North Gate of Dover Air Force Base.

[16][17] On June 5, 2017, construction began for a roundabout at the junction with DE 15 west of Camden in order to improve safety at the intersection.

[18] There are plans to build a bypass of the section of DE 10 through Camden in order to improve safety and reduce congestion on the alignment through the town.

[19][20] On July 10, 2024, a groundbreaking ceremony was held for the eastern portion of the bypass east of the US 13 intersection, with Delaware Department of Transportation secretary Nicole Majeski and state and local officials in attendance.

The route heads east from DE 10 on two-lane undivided Henry Cowgill Road, passing through a mix of farmland and woodland with some homes and crossing Tidbury Creek.

Past this intersection the route passes to the south of Polytech High School and enters a mix of farms, woods, and residential development to the north of the community of Woodside East, curving to the northeast and reaching an intersection with Peachtree Run before heading north-northeast.

The route passes through woods, crossing Tidbury Creek, and runs through residential development before ending at another intersection with DE 10, with South State Street continuing north toward Dover.

[3][24] The portion of the route between Voshells Mill Star Hill Road/Rising Sun Road and South State Street/Sorghum Mill Road in Rising Sun is part of the Harriet Tubman Underground Railroad Byway, a Delaware Byway.