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COLLEGE PARK, Md. (WUSA9) -- Traffic is delayed after a crash on the outer loop of the Beltway betweenConnecticut Ave and Rockville Pike.

Montgomery County Fire and EMS officials say four vehicles were involved, two on each shoulder.

Four adults were transported with non-life threatening injuries. Officials say one of those adults required extraction.

All lanes were shut down for about 15 minutes.

Sky9 was over the scene, where it appears a box truck hit the back of a sedan.

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