ELK GROVE (CBS13) – A pair of crashes involving several vehicles has traffic on Interstate 5 just south of Elk Grove moving very slow Tuesday morning.

The first crash happened around 5:30 a.m. near the Hood Franklin Road off-ramp from the southbound side of I-5. In this crash, there were two vehicles involved.

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About a half-hour later, several other vehicles were involved in another crash in the same area.

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Exactly what led to both crashes, and if the crashes are related, is unclear at this point.

Caltrans is now warning drivers to expect major delays on southbound I-5 just south of Elk Grove due to the crashes and the cleanup necessary after them.

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“Looky loos” gazing at the crash on opposite side of the freeway has northbound I-5 traffic also going slow, Caltrans says.