A major interstate in Atlanta buckled dramatically on Monday, injuring a motorcyclist and shutting down a section of the freeway.

"The pavement rose to nearly the height of a full-grown man and split into several pieces," The Associated Press reports, citing multiple witnesses.

The injured motorcyclist was traveling at high speed along the interstate when the pavement began to buckle, the wire service reports. He hit the damaged section of highway and was "flung through the air"; he has been hospitalized in critical condition, the AP writes.

Local officials said an underground gas leak caused the buckling, the AP reports.

But a spokeswoman for Atlanta Gas Light said while a contractor for the utility was working in the area, no natural gas was released.

Member station WABE has more:

"Natalie Dale, a spokesperson for the Georgia Department of Transportation, said in a news conference Monday afternoon that the agency is assessing the stability of lanes near the buckling and hopes to have some lanes opened by 5 p.m. Monday. ..." '[However,] motorists should not plan for an all-open on this section of the road until at least noon tomorrow,' Dale said."Westbound lanes on I-20 between Candler and Gresham roads were closed Monday due to the buckling." 'This is not an occurrence that happens every day,' Dale said. 'This is an extenuating circumstance of some things that happened when some work was being done so this does not indicate that we have widespread crumbling infrastructure.' "

The incident is the second eye-popping highway malfunction in Atlanta within the last month.

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