created the DSHD in 1917 to lay out, construct, and maintain highways and to meet organizational requirements to receive federal aid through the Federal Aid Road Act of 1916. On July 20, 1918, DuPont reached an agreement with the state of Delaware for the newly formed DSHD to construct the remaining sections of the highway. DuPont would dissolve Coleman DuPont Road, Inc., and finance the remainder of construction up to , which is equivalent to in . The highway department would complete the road to Milford along the lines designed by DuPont's company. DSHD would both design and construct the DuPont Highway north of Milford; the department decided on a right-of-way for future sections of the highway. The portions from north of Ellendale to north of Milford, from Frederica to Little Heaven, and through Rising Sun were completed by 1920. All other portions of the DuPont Highway between Ellendale and Dover were under construction in 1920 and completed by 1923, the same year the last section of the entire Selbyville–Wilmington highway was completed near Odessa. Despite DuPont's grand boulevard not coming to fruition, he was a visionary who implemented key practices before they became standard in the decades after he initiated his project. After his death in 1930, DuPont was recognized for foreseeing that traffic on highways would approach the speed and volume of railroads and planning with provisions for future needs. Based on that vision, he designed his highway with a wide right-of-way and curves and grades adequate for high-speed traffic. The DuPont Highway was also innovative as one of the earliest roads to be constructed on a new alignment that passed close to towns but not directly through them, a development that was more convenient for through traffic and less disruptive to a town's residents. Up to that point, the use of bypasses had been limited to the railroads. South of Milford, the DuPont Highway was constructed entirely on new alignment except from Bedford Street north of Georgetown to Old State Road at Redden. The portion of the highway north of Milford, which DSHD designed, mostly overlaid the existing Milford–Dover highway. The two exceptions were through Frederica, where the State Road used Market Street, and between Milford and Frederica, where the State Road followed Jenkins Pond Road, Reynolds Road, Pritchett Road, and Milford Neck Road. Widening and early bypasses The DuPont Highway was a boon to southern Delaware,