Emergency crews were called to the eastbound lanes of Queen Street East, just east of Cherrycrest Drive, at around 12:20 a.m. on Jan. 5 after a driver came across 16-year-old Dianna Manan laying on the road.
She was transported to Sunnybrook Health Sciences Centre where she died of her injuries.
Investigators said they arrested 21-year-old Adhinath Sankar of Vaughan on Thursday. He's been charged with with fail to remain causing death and had a bail hearing scheduled for Friday.
Anyone with information on the crash is asked to contact police at 905-453–2121 ext. 3710 or Crime Stoppers anonymously at 1-800-222-8477.
-- With files from Nick Westoll and Katherine Aylesworth