Cannot Drive Through
We want you to look at the yellow bar here. In a nutshell, it is there to limit access for trucks.
This has no consequence for you whatsoever if you drive a small vehicle or car. You can easily pass through it. However, you will be in big trouble if you are driving something that is taller than this.
No Entry
She sure is one funny lady. She had a hard time climbing down the stairs because someone decided to install a pillar in the pathway. As we are sure you have already figured out, the pillar should not be here.
These structures are very important since they support the building. They will only be a bigger obstruction if they are installed in the wrong place. We just hope she is a flexible person.