Running second behind pioneer Paul Menard on Lap 5-7 of the scheduled 75, Johnson moved to the interior in an effort to pass just as Menard appeared to start a move to block.
The two made contact, together with Menard spinning and hitting the wall and the series reaction collected all but a small number of the entire 20-car niche.
Shortly after the incident and prior to the race would reunite to green, heavy rain covered the trail and caused an early end to the race.
“It was just a racing thing,”” Johnson explained. “I had been moving into Turn 1 and it had been looking darker and darker. I saw my move and that also I had to take it.
Kurt Busch ended up second, Joey Logano third, Ryan Blaney fourth and Alex Bowman completed the Top Five.
Rounding out the Top 10 have been Austin Dillon, Elliott, Almirola, Newman and Suarez.
Once the next section went on Lap 33, Menard led the method followed by Blaney, Kyle Larson, Brad Keselowski and Denny Hamlin.
The race reached the halfway point on Lap 38 with weather continuing to threaten and Menard out front followed by Hamlin and Keselowski.
Caution for rainfall was displayed on Lap 41. As the rain acquired, the race was halted on Lap 44. After having an eight-minute delay, the race returned to warning.
Menard continued to lead the way once the race returned to green on Lap 48.
Austin Dillon promised the success from the first 25-lap segment as several drivers elected to pit prior to its own completion.
Kyle Busch captured the effect on the initial lap merely to see Menard, that started from the pole, recover it a lap later.
Seven laps into the first segment, NASCAR demonstrated the warning when rain had been reported across the trail. Menard led the method followed by Bowman and Keselowski while the red flag was displayed after nine laps.
The race returned to green following a significantly more than 21-minute delay on Lap 1-3.
Lots of the cars chosen to pit prior to the break between the first two segments.
Both the Elliott and Hamlin had to start the race against the back of the field because both teams had transferred to backup cars.