if you have a dozer you could dig a trench 3-4 feet deep to create a clean lane, line the sides with half buried tires or railroad ties, and create a berm 10-12 feet high shaped as a C from the top.
Alternatively you could use some wire mesh and burlap to create some hesco barrier/bastions
Alternatively you could use some wire mesh and burlap to create some hesco barrier/bastions
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