Louis Foster isn't buying the idea that a yellow flag ruins a race—in fact, the Rahal Letterman Lanigan Racing driver thinks it can actually make the action better. The 22-year-old Brit's comments come on the heels of a controversial moment during last Saturday's IndyCar round at the Indianapolis Motor Speedway road course, where Race Control initially held off on throwing a full-course caution despite Alexander Rossi's stalled #20 ECR Chevrolet sitting on the frontstretch for multiple laps.

Rossi's car was stranded on the main straightaway, with rivals screaming past at roughly 170 mph. It wasn't until Rossi exited his vehicle on a hot track—an incredibly dangerous situation—that officials upgraded to a full-course yellow. Foster understands the hesitation, but he's clear on where he stands.

"He was on the main straight with a lot of room, so I can kind of see why IndyCar didn't throw it initially," Foster explained. "Maybe they thought he stalled and was going to get going again. I don't know. For me, when I saw it, I wasn't shocked by it. But I was like, 'Yeah, we probably should have thrown the yellow.' I never passed him because immediately when he stopped, we boxed because we knew it was going to go yellow. So, I never actually saw where the car really was."

The incident sparked immediate backlash, with Rossi himself furious over being left exposed on the 170-mph straight. In response, IndyCar and IndyCar Officiating announced significant changes on Tuesday morning. Moving forward, pit windows and running order will no longer be factors in deciding whether to throw a full-course caution. Local yellow procedures remain unchanged, but full-course cautions will now be initiated based on driver status, vehicle position and condition, the location and readiness of safety personnel, recovery access, and the speed differential between affected cars and approaching traffic.

Foster, who drives the #45 Rahal Letterman Lanigan Racing Honda, emphasized that safety must always come first. He drew a stark parallel to a terrifying incident at World Wide Technology last year, where he was slow on the frontstretch and was clobbered from behind by then-race leader Josef Newgarden on Lap 130. The impact sent the Team Penske ace into a horrifying flip against the wall between pit lane and the track.

"Based on everyone's opinions, yeah, safety is number one priority," Foster said. "I mean, you never know. There could be guys racing down there following someone and pop out at the last minute trying to over—"

For Foster, the lesson is clear: a well-timed caution doesn't kill the race—it keeps drivers safe and often sets the stage for even more thrilling racing down the stretch.