The bus route is M34. In NYC, the M34 bus is an articulated bus line, and is now the SBS 34 bus. The M34 does not use regular buses on that route. (from a NYC Bus Operator who has done the M34)
When Micheal chases the Bus and then eventually gets on the bus and moves to the back searching for his son, we see that the are many empty seats at the back where he has seen his bus. However the bus is obviously very crowded from front till back. It does not makes sense for the general public to not occupy the empty seats.
The formal letter of tenure addressed to Professor Lawford is undated, which is unprofessional and unlikely.
At the end of the film the gate is slowly closing waiting for them to go back even more when they were falling, if the gate close at midnight should close at once.
On the Lawford's home, there is a city of Toronto historical plaque under the number 24.
After the woman is thrown out of the church window, the ambulance has no bus number (unit ID).
Hannah and the Psychic Medium are violently killed by the ghost, but why? Is it because they were helping Mike look for his son? If this is the case then all she needed to do was kill Mike and his wife, problem solved.