Two and a half years after a major fatal pileup crash in Colorado, a truck driver will stand trial on dozens of charges including vehicular homicide.

The trial for 25 year old Texas resident Rogel Lazaro Aguilera-Mederos is set to begin in Jefferson County Court in Colorado on Friday. The trial is expected to last three weeks.

Aguilera-Medero is facing forty-one charges including vehicular homicide and assault.

The charges were filed as a result of a fatal chain reaction crash that happened in slowed traffic on I-70 near Lakewood, Colorado, on April 25, 2019.

Aguilera-Medero reportedly hit speeds of 85 m.p.h. in an area where trucks are limited to 45 m.p.h and lost control of his brakes before crashing into slowed traffic.

The pileup involved 24 passenger vehicles and four semi trucks.

Four people died in the crash and six others were injured.

Video taken by a motorist shows that Aguilera-Medero bypassed a runaway ramp prior to the fatal crash.

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