A crash is causing traffic tie-ups on eastbound I-94 on the south side of Ann Arbor this morning.

The crash is blocking the left lane of the freeway east of State Street, a dispatcher said. Reports indicated traffic was at a standstill on the freeway about 8 a.m.

The crash occurred about 7:20 a.m., he said. He did not know if injuries were involved. No further information was immediately available.