PHILADELPHIA (WPVI) -- SEPTA riders are dealing with delayed and overcrowded trains as the transit agency has pulled more than 150 cars off the track in order to comply with federal safety regulations.

This comes after the NTSB recommended last week that SEPTA pulls its Silverliner IV fleet over fire risk concerns.

READ MORE | NTSB issues urgent safety warning to SEPTA over fire risks involving Silverliner IV railcars

The Federal Railroad Agency, or FRA, which has oversight, deemed the cars could continue to run if they meet strict safety standards.

On Monday, SEPTA had to cancel 55 regional rail trains. Tuesday morning's commute had 12 cancellations.

It's lead to headaches for riders like Kinya Kirby.

"The one that did pass us was only two cars, it was too full so it couldn't t

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