Traffic on northbound I-75 at Rochester Road in Troy is backed up after a gravel hauler crashed.
Only one lane is open, according to MDOT.
MDOT says southbound is also seeing backups with debris on both sides on the freeway.
Heads up-NB 75 after Rochester, gravel hauler crash. SB delays, too. pic.twitter.com/oowidCdNT3— MDOT - Metro Detroit (@MDOT_MetroDet) April 24, 2018