Police are calling for vital witnesses following incident at pelican crossing in Northallerton at around 9.30pm on the night of Friday 19 February 2016.
The second appeal relates to a man who spoke to a group of boys and a man on a mountain bike at around the same time.
If you are the motorist or the man who spoke to the group, please contact North Yorkshire Police on 101, select option 2 and ask for PC Caroline Pugh or email email@example.com
The youth luckily escaped unharmed, but was very shaken.
If you wish to remain anonymous, you can contact Crimestoppers on 0800 555 111.
Please quote reference number 12160030183.
A 34-year-old man has been arrested on suspicion of assault and released on police bail while the investigation continues.