Originally Posted by Miele Man

Here's a video that shows how far away from a car you can be and still NOT be safe from a suddenly opened car door.

https://www.youtube.com/watch?v=UxExtgNYcFg

This one shows what can happen if you get deflected into the traffic lane by an opening car door.

https://www.youtube.com/watch?v=cFpUTlWDh2Q

guy was lucky there were no vehicles in the lane he was knocked into.

https://www.youtube.com/watch?v=ZCm6UDX_ZuE

I could post more but I'm sure you get the idea by now.

DON'T RIDE IN A DOOR ZONE! especially if there are stopped vehicles in it. Whether it's a bicycle lane or not, door zones are extremely hazardous to bicyclists.

Cheers