HAGERSTOWN, Md. — Authorities say a man known for visiting hospitalized children dressed as Batman died in a crash on a western Maryland highway after his Batmobile had engine trouble.

Police say 51-year-old Leonard Robinson of Owings Mills was checking the engine of his Batmobile while standing in the fast lane of eastbound I-70 Sunday night when the car with hit by a Toyota Camry.

The driver of the Camry wasn’t injured.

The crash occurred around 10:30 p.m. near the unincorporated community of Big Pool.

Robinson was known for traveling in costume to hospitals in the Baltimore-Washington area and gained national attention in 2012 when dashcam video surfaced of police pulling him over while he was driving his Batmobile [see video below].

The Washington Post reported in 2012 that Robinson spent more than $25,000 of his own money on Batman-related items every year, including toys, T-shirts and books he gave away to kids.