Delaware State Route 1D forms a suburban loop southeast from SR 23 (Beaver Dam Road) and Belltown to Midway by way of Plantation Road and SR 24 (John J. Williams Highway).1 SR 1D was designated in 1995 to provide an alternate route to circumvent commercial development along SR 1.1
SR 1A and SR 1B are located to the southeast at Rehoboth Beach. There is no SR 1C, though the designation may be reserved for a future route.2 SR 1D formerly overlapped with SR 24 Alternate along Plantation Road. Signs for SR 24 Alt were still posted along Plantation Road as of January 2017.
| John J. Williams initially carries four overall lanes from SR 1 (Coastal Highway) to Hudson Way and the north entrance to Rehoboth Mall. Future road work will extend the four lane section of SR 24 south to the split with SR 1D (Plantation Road). 01/16/17 |
| SR 1D partitions with SR 24 west for Plantation Road to run along the west side of the Midway and Five Points area. The route formerly overlapped with SR 24 Alternate, though remnant signage is still posted. 01/16/17 |
| Plantation Road provides an alternate route to SR 1 northward to SR 23 south at Belltown. Warrington Road ties into the traffic light with SR 24 from Old Landing Road and the Breezewood subdivision. 01/16/17 |
| SR 1D reassurance marker posted as Plantation Road heads north from SR 24 (John J. Williams Highway) and Warrington Road by the Summercrest subdivision. A remnant banner alluded to former SR 24 Alt. A new assembly including old SR 24 ALT replaced this sign array. 01/16/17 |
| Open land spreads to the west across from Aydelotte Estates as Plantation Road advances to Cedar Grove Road. 01/16/17 |
| A staggered intersection with Cedar Grove Road west and Postal Drive east was reconfigured into a conventional intersection with traffic lights during a $3.28 million construction project underway from December 2014 to Summer 2015.3 SR 1D was expanded to include bike lanes and sidewalks during the project. 01/16/17 |
| Reassurance markers for SR 1D/24 Alt appear north of Cedar Grove Road. Plantation Road passes between the Sandy Brae and The Plantations subdivisions along the ensuing stretch. 01/16/17 |
| Robinsonville Road ties into SR 1D (Plantation Road) north from Goslee Mill ahead of this shield assembly. 01/16/17 |
| Construction underway in early 2017 expanded the signalized intersection joining SR 1D with Salt Marsh Boulevard and Shady Road at the Henlopen Landing community. 01/16/17 |
| Prior to 2024, SR 1D (Plantation Road) made a nearly 90 degree turn to end across from the southbound beginning of SR 23 (Beaver Dam Road). 01/16/17 |
| The curve of Plantation Road rounded Henlopen Landing and paralleled U.S. 9/SR 404 adjacent to the intersection SR 1 (Coastal Highway) at Five Points. SR 1D was realigned southward to a new roundabout built at SR 23 and Belltown Road as part of the Plantation Road Improvements, Robinsonville Road to US 9 (Phase 1) project. 01/16/17 |
| A short connector (Belltown Road) linked the adjacent U.S. 9/SR 404 with SR 1D south and SR 23 south. The realignment of Plantation Road increased the separation between SR 1D/23 and adjacent U.S. 9/SR 404. 01/16/17 |
| SR 1D previously ended at a stop sign with Belltown Road. SR 23 commences a nearly 15 mile long route south from SR 1D to Hollymount and Masseys Landing. 01/16/17 |
| SR 24 reassurance marker posted after SR 1D joins John J. Williams Highway highway. The arterial expands with a center turn lane to Bryn Mawr Drive and the Maplewood subdivision. 01/16/17 |
| SR 1D south combines with SR 24 (John Williams Parkway) east for a 0.72 mile long overlap to SR 1 (Coastal Highway). A pair of end shields were posted for the two routes; a replacement made by 2008 combined the assembly. 02/18/02, 01/16/17 |
| Construction in 2016-17 for a new Royal Farms gas station at the southwest corner of SR 24 at Coastal Highway removed both sign assemblies for SR 1. Coastal Highway heads northwest toward Lewes and Five Points and south to Rehoboth Beach and Dewey Beach. 01/16/17 |
Page Updated 11-29-2024.