(Meacham, OR) -- Police say nearly 100 vehicles crashed on snow covered I-84 in northeast Oregon yesterday. The crashes happened between Pendleton and La Grande. Oregon State Police report that as troopers arrived they heard more vehicles crashing behind them. The largest crash involved 15 to 20 vehicles that were strewn across the freeway and into the median. Several injuries are reported. People who weren't hurt but couldn't drive their vehicles were taken to the Pendleton Convention Center.