concrete barriers that divide our highways
They’re called Jersey Barriers.
I found a couple of sites for them. I don’t know where you’re located though. Here are 2, one of which is for the plastic water-filled version.
A list of websites of information on your topic, is at the link below:
Your email address will not be published. Required fields are marked *
Save my name, email, and website in this browser for the next time I comment.
This site uses Akismet to reduce spam. Learn how your comment data is processed.
Username or Email Address