Ontario Highway Traffic Act

I got pulled over for disobeying the No Left Turn sign during 4-7pm. On the ticket it say Highway traffic act Section 182(2). I was driving south on Queen St S in Streetsville Mississauga and did not notice the sign at Main St so took the left turn on Main st towards Bristol Rd. It was evening of Jan 16,
2018 around 5pm and visibility was poor ...