A graphic new ad about the dangers of texting while driving is set to shock viewers across the US.
The commercial made by the US Department of Transportation and released on Wednesday shows a young woman happily driving along with a group of friends.
When the driver momentarily takes her eyes off the road to look at her mobile phone events suddenly take an unexpected and tragic turn.
While the ad may prove effective it is shocking and could well generate controversy.
Click through to see ads that have pushed the boundaries.