
1) Blockades 2) Fences or walls 3) Guardrails and medians 4) Impediments 5) Obstacles 6) Obstructions 7) Obstructions or obstacles 8) Roadblocks
Found on
https://www.crosswordclues.com/clue/barriers

1) Dams
Found on
https://www.crosswordclues.com/clue/barriers

Starting barrier used to keep horses in line before the start of a race. Each horse has a stall or place randomly allocated in the barrier draw for the race.[1]
Found on
http://en.wikipedia.org/wiki/Glossary_of_Australian_and_New_Zealand_punting

This generally refers to factors inhibiting the free movement of resources e.g. restrictive laws relating to the movement of goods, capital and labour.
Found on
http://www.encyclo.co.uk/local/20140

vehicles attached to either end of rolling stock being moved to and from Works, often due to incompatible couplings.
Found on
http://www.scot-rail.co.uk/page/Glossary

Starting gates used to keep horses in line before the start of a race. Each horse has a barrier randomly allocated in the barrier draw for the race.
Found on
http://www.translationdirectory.com/glossaries/glossary152.htm

are objects, ideas, practices, structures, systems, etc. that prevent or discourage action. Sometimes physical barriers are necessary for physical safety. Security barriers are important for an organization to protect assets. Barriers are not good when they discourage, sharing, creativity, service and other forms of positive business activity. Cata...
Found on
https://www.encyclo.co.uk/local/21027

Obstacles in a cyclocross race that force riders to dismount and jump over them while carrying their bikes.
Found on
https://www.encyclo.co.uk/local/22521
No exact match found.