Police report: Nylon Extended stop signs and enforcement linked to fewer perceived crashes; speed data mixed

Seaford — The Seaford Police Department presented a roughly 90-day update Sept. 9 on traffic changes along Nylon and Nylon Extended after placing additional stop signs and increasing enforcement.

Chief Craft reported that in the earlier crash study (April 1, 2023–April 1, 2025 comparison window) there were seven crashes in the prior period; after installing extra stop signs and targeted enforcement, the department recorded zero crashes in the study window ending Sept. 4. Officers issued citations and warnings at the two intersections where stop signs were added and installed additional radar speed display signs north and southbound.

The department also deployed a radar speed box for multi-day studies. An initial four-day sample in May recorded an average speed of about 29 mph and an 85th percentile speed of about 37.5 mph. A later five-day sample after changes recorded more vehicles, a slightly higher average speed (about 31 mph) and an 85th percentile near 50.3 mph; the later sample included an anomalous single reading of 75 mph. The chief and patrol lieutenant said variables such as seasonal travel patterns (school in session vs. summer) and the length of the sampling window probably affected the results, and that officers will continue monitoring with periodic reruns of the speed box and continued enforcement.

"Most folks that we talk to ... report the belief at least or the perception that things have improved," Chief Craft said. Council members living near the corridor said they had observed reduced traffic but asked for continued patrol presence. The chief said patrols have been assigned to maintain presence and the department will re-evaluate data now that the school year has resumed.

The presentation was informational; no action was required.