Complex sentence: Past DE 1, the route heads north-northeast on two-lane undivided Bayside Drive, passing between the runways of Dover Air Force Base to the west and fields to the east.
Split into simpler sentences: Past DE 1, the route heads north-northeast on two-lane undivided Bayside Drive. Following this, the route passes between the runways of Dover Air Force Base to the west and fields to the east.