Southbound Interstate 75 is fully open again after a crash partially blocked it near I-74 earlier Wednesday morning.
Backups remain, however, totaling up to 40 minutes from areas in the northern suburbs such as West Chester Township.
Two vehicles collided in the middle lane just after 7 a.m., a Cincinnati police dispatcher said.
No injuries were reported, but the accident snarled the morning commute.
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Baxter, a three-year veteran of the department, died later in a hospital and Howard, a 10-year veteran, was in serious condition.
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