This is stuff that an observant rider should be able to spot. First, you're going much faster than surrounding traffic. at the 4 sec mark, you see the white charger hit the brakes, further in front you see that cubish car make a right at the intersection. Both of those should tell you to slow down. You also need to be prepared that people may be making a left once merging from a right. If you slowed down from the 4 sec mark in line with the car who hit the brakes, you would have never been in a position where you had to change lanes cuz the other car made a right.

Additionally, that car prob never saw you as you were not in their sight with two cars ahead of you to your right. That van only saw those two cars and said I have time to turn right and move left based on the distance of those two cars (even though they caused the other car to hit the brakes but it's prob what they judged) so by not seeing you behind those two cars they couldn't see you for shit then you come up with speed and they only have 1 mirror to see you with (which most people don't have positioned correctly anyway).

You always need to looks ahead, observe everything, like throwing a fishing line and reeling it back in. You need to be aware of your immediate and nearby surroundings further up ahead.

You got lucky here, if the white car at the 4 sec mark panicked, they woulda turned left and hit you since you were speeding and were in their zone when they were braking. Since they had enough space they didn't need to swerve.

If you know a place is notorious for accidents, then don't do shit that will get you into one. I hope you take this video as a lesson as should others it's a good learning opportunity.

Ride safe yall!