Location: Coastal Hwy and Portsmouth Rd, Sussex Cty Just after US-9 joins DE 1, it will prepare to split. Location: Coastal Hwy and Marsh Rd, Sussex Cty Follow US-9 and DE 404 west to Georgetown and the Bay Bridge. Take 1 north to Milford and Dover. Location: Coastal Hwy and Lewes Georgetown Hwy, Sussex Cty … Continue reading U.S. Route 9, DE 1 to US-9 Bus/DE 1/DE 404