01/03/2014 08:47 EST | Updated 03/05/2014 05:59 EST

20-vehicle pileup blocks Gardiner westbound at Dufferin

A crash involving more than 20 vehicles has blocked the westbound Gardiner Expressway west of Strachan Avenue approaching Dufferin.

The crash happened just after 8:30 a.m.

Westbound traffic on the Gardiner is at a standstill and backed up all the way to the Don Valley Parkway. Eastbound traffic is slow through the area as drivers slow down to take a look.

There is no word yet on injuries.