The stampeding mob was channeled safely outdoors by the transportation barrier we'd set up just moments before.
A transportation barrier is a natural barrier like mountains, rivers, oceans, etc that blocks or slows the way of transportation.
i would prefer a faster mode of transportation, but the bus will have to do.
We just have one more barrier to cross; then we can lay siege to the castle.
Flyscreens are a barrier that stop flying insects from getting inside the home.
Andes mountains this answer was answered by KEITH WILSON
Great Barrier reef a coral reef.
transportation, trade, warfare, barrier and most importantly agriculture that is farming
The Alps
Mountains
Transportation barrier means transportation if barred - not allowed. Transportation corridor means transportation is allowed.
There is a barrier blocking the road.
my barrier was really stable.