When Hamato Yoshi (human) has partly transformed into Master Splinter (rat), he gets out of an alley looking for a sewer, the road has right-hand traffic. It is the same road which had left-hand traffic in previous shot.
When Hamato Yoshi (human) starts turning into Master Splinter (rat), the road near him has left-hand traffic and is marked as such with arrows even though the show is set in New York City which has right-hand traffic.