Abnormal traffic flow trajectory in peachtree map

High Level Description In the real map, there are direction changes in different sections but the traffic pattern itself doesn't seem to curve as much as the road.

SMARTS version 0.5.1

https://user-images.githubusercontent.com/59240680/160151542-bc0ab5bd-9d93-4b06-b26b-af10e6f045aa.mp4

Here's the x,y coordinates of vehicle_id=2 in 0400-0415.shf:

And in the raw data: (col 1 is the vehicle id, col 5 and 6 are x,y coordinates)

Please let me know if more info is needed, thanks!