Morning traffic, freezing temps caused issues in plowing Friday snow

State and city snow plows battled to keep freeways and main thoroughfares clear of snow, but morning traffic and freezing temperatures caused issues.Below freezing temperatures the night before the snow storm prevented both ODOT and the City of Columbus from pre-treating the roads because the chemicals were not effective, officials said.Adding to that, the snow fell just as people were driving to work in the morning, making it harder for plows to do their job as they were stuck in the same traff