I wonder if this is true or an urban legend. Businesses use bollards all the time for protection against vehicles:Quote:
Originally Posted by Mrs. Crumpacker
http://www.acmesteelfab.com/images/bank_bollards.jpg
And I see folks incorporate boulders in their landscaping all the time to do the same thing:
http://ovnblog.com/wp-content/upload.../shelfroad.gif
These are being used to prevent parking on private property along a public road.