Oklahoma City crash impacting traffic entering NB I-35 from WB I-40

A crash that happened Monday morning in Oklahoma City is affecting traffic attempting to merge onto Interstate 35.

Authorities say the crash happened on the onramp leading from westbound Interstate 40 onto the northbound lanes of I-35.

The ramp from I-40 to I-35 has now been closed as crews work to clear the scene.

The cause of the crash is not yet known.

It is unknown if there were any injuries.