When a light source encouter an other one some issue appear.
https://streamable.com/s9ouvh
In this second link there is two issue maybe related or not.
-the light from the lamp post impact the light on the trailer in anormal way and doesn't impact the ground.
-the reverse light and stop light from the truck are visible throught the trailer and the issue is amplified by the lamp post light source
https://streamable.com/2zofbv