Analysis & Editorials

Data-driven investigations into Long Island traffic patterns, road safety, and crash trends.

Dr. Dao Yuan Han Analysis led by Dr. Dao Yuan Han PhD Mathematics (Differential Geometry) · Published Researcher · Data Science

Rony Yahir Alvarenga Rivera Charged in Fatal Island Park, Valley Stream Stabbings

Nassau police say Rony Yahir Alvarenga Rivera is accused in two fatal stabbings hours apart in Island Park and Valley Stream, including one at a Wendy's on Austin Boulevard.

May 3, 2026

LIRR or Drive? The Safety Tradeoff Behind Long Island Commutes

Dr. Dao Yuan Han analyzes the safety tradeoff between driving and taking the LIRR, using Long Island Traffic's incident data and current transit disruption patterns.

May 2, 2026

Pedestrian and Bicyclist Crashes on Long Island: The 91-Record Warning

Dr. Dao Yuan Han examines Long Island pedestrian and bicyclist crash records, showing why suburban arterials create serious risk for people outside vehicles.

May 2, 2026

DWI Crashes on Long Island: What 458 Incident Records Show

Dr. Dao Yuan Han analyzes Long Island Traffic's DWI and DUI-related crash records, showing why impaired-driving incidents create outsized danger on parkways and late-night commuter corridors.

May 2, 2026

LIE vs. Southern State: Which Long Island Commute Is Riskier?

Dr. Dao Yuan Han compares Long Island Expressway and Southern State Parkway crash patterns, explaining why raw incident counts and commuter risk tell different stories.

May 2, 2026

The Southern State Parkway Problem: Why One Road Leads Long Island in Fatal Crashes

An in-depth analysis of why the Southern State Parkway accounts for more fatal accidents than any other Long Island road, examining 1930s design constraints, modern traffic volumes, and what data reveals about the deadliest sections.

Mar 24, 2026

Nassau vs. Suffolk: Comparing Crash Rates Across Long Island

Data analysis comparing accident rates, severity patterns, and road safety metrics between Nassau and Suffolk counties using 10,000+ crash records from NY Open Data.

Mar 24, 2026

Long Island's Most Dangerous Roads: A Data-Driven Analysis

PhD mathematician analyzes 10,000+ crash records to identify Long Island's deadliest roads, most dangerous time windows, and what makes the Southern State Parkway the statistical leader in collisions.

Mar 24, 2026