I found another spot where this bug is happening. This time it was on the Insurgent side, approaching F from the east side; at the location I am standing, the screen went much darker, and stayed that way for a little while:
Specs:
CPU: i7 4790k
GPU: GTX970 4GB
RAM: 32GB DDR3 @ 1866mhz
HDD: Samsung 840 SSD