A 69-year-old Upper Darby man is facing homicide by vehicle charges after police say he struck and killed a 78-year-old pedestrian while driving drunk and with marijuana in his system near West Chester Pike and North Linden Avenue. John J. McGonigle III, who lives in the 200 block of North Lynn Boulevard, has not yet been arraigned as of October 2, 2026.
According to Delco Times, police were dispatched to the intersection for a vehicle crash involving a pedestrian and found the victim semi-conscious on the ground with severe head trauma. Lansdowne Fire Company MICU 19 transported the victim to Lankenau Hospital, where the victim later succumbed to injuries on June 4, 2026.
Investigators say surveillance video showed McGonigle exiting a bar at 5:25 p.m. and later turning left from West Chester Pike onto North Linden Avenue at 6:52 p.m., shortly before the crash. McGonigle told police he was coming from a bar in the 8900 block of West Chester Pike and said he'd had three drinks, the outlet's report notes. Officers reported detecting an odor of alcohol on him, finding him unsteady on his feet, and noting he was unable to complete a field sobriety test.
Toxicology Results Push Charges Past Simple DUI
Blood tests showed McGonigle's blood alcohol level at 0.133 percent, along with 1 nanogram of Delta-9 THC and 18 nanograms of carboxy-THC marijuana metabolites in his system, per the same account. That BAC places him in Pennsylvania's “high rate of alcohol” DUI tier under 75 Pa.C.S. § 3802(b), which covers levels between 0.10% and 0.159% and sits well above the state's 0.08% legal limit, according to Petersen Law.
Pennsylvania's per se standard for marijuana under 75 Pa.C.S. § 3802(d) means any detectable Delta-9 THC or its metabolites in a driver's blood constitutes a DUI violation regardless of whether observable impairment is proven, as explained by the Delaware County Legal Journal. State law under 75 Pa.C.S. § 3802(f) also allows prosecutors to charge drivers under the combined influence of alcohol and controlled substances like marijuana, according to Fienman Defense.
Charges and Possible Sentencing Exposure
Upper Darby police charged McGonigle with homicide by vehicle while under the influence, DUI, reckless endangerment, careless driving, and failure to yield to a right-of-way pedestrian, the Delco Times reported. The criminal complaint was filed by Sgt. Daniel Connell, who was promoted to sergeant in Upper Darby Township after previously serving in the department's specialized Highway Patrol Unit since 2018, according to Upper Darby Township.
Homicide by vehicle while driving under the influence is a second-degree felony in Pennsylvania under 75 Pa.C.S. § 3735, carrying a mandatory minimum of three years in prison for each victim killed, with maximum penalties reaching 10 years in prison and $25,000 in fines, according to Fienman Defense. If a defendant has a prior DUI conviction, the offense escalates to a first-degree felony and the mandatory minimum rises from three to five years, per the Pennsylvania General Assembly.
A Dangerous Stretch in a Densely Packed Township
Upper Darby is Pennsylvania's sixth-most populous municipality and its largest home-rule township, with more than 84,000 residents packed into just 7.9 square miles bordering West Philadelphia, making its commercial corridors like West Chester Pike heavily trafficked by both cars and pedestrians. Statewide, pedestrian-related crashes made up only 2.6% of all reported traffic collisions in 2025 but accounted for 15.3% of all traffic fatalities, according to Pennsylvania General Assembly legislative records reviewed this month.
PennDOT reported 7,745 alcohol-related crashes and 244 alcohol-related fatalities statewide in 2024, with impaired driving collisions accounting for 22% of all traffic deaths despite representing only 7% of overall crashes, per Matzus Law. In February 2025, Delaware County Council adopted a Vision Zero Action Plan, becoming the first county in Pennsylvania to do so, committing to 43 specific traffic safety initiatives aimed at eliminating severe and fatal crashes, according to Delaware County.
