Is your feature request related to a problem? Please describe.
It's kind of frustrating when I'm building a road and the crash barriers leave gaps on the corners of blocks.

Describe the solution you'd like
There should be crash barrier corners and inverted crash barrier corners. There should also be inverted crash barrier which are like the normal ones but they are further back on the block and they would match with the inverted crash barrier corners.

Describe alternatives you've considered
A clear and concise description of any alternative solutions or features you've considered.

Additional context

Thank you for your suggestion!