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2. Portcullis - Wikipedia

   en.wikipedia.org/wiki/Portcullis

   Double portcullis gates at Petersberg Citadel, Erfurt Portcullises fortified the entrances to many medieval castles , securely closing them off during times of attack or siege . Every portcullis was mounted in vertical grooves in the walls of the castle and could be raised or lowered quickly by using chains or ropes attached to an internal winch .

3. Traffic barrier - Wikipedia

   en.wikipedia.org/wiki/Traffic_barrier

   Traffic barrier with a pedestrian guardrail behind it. Traffic barriers (known in North America as guardrails or guard rails, [1] in Britain as crash barriers, [2] and in auto racing as Armco barriers [3]) keep vehicles within their roadway and prevent them from colliding with dangerous obstacles such as boulders, sign supports, trees, bridge abutments, buildings, walls, and large storm drains ...

4. Turnstile - Wikipedia

   en.wikipedia.org/wiki/Turnstile

   The drop-arm optical turnstile is a combination of the security of a tripod or barrier turnstile and a fully optical turnstile. The lanes can have either single or double arms. When access is granted the arms drop into recesses in the cabinet. Once the arms drop out of the way, the turnstile functions as a fully optical turnstile.

5. Frontage road - Wikipedia

   en.wikipedia.org/wiki/Frontage_road

   A two-way residential frontage road (left) parallel to a busy major highway Freeflowing frontage road. A frontage road (also known as an access road, outer road, service road, feeder road, or parallel road) is a local road running parallel to a higher-speed, limited-access road.

6. Glossary of road transport terms - Wikipedia

   en.wikipedia.org/wiki/Glossary_of_road_transport...

   See three-way junction 5-1-1 A transportation and traffic information telephone hotline in some regions of the United States and Canada that was initially designated for road weather information. A Access road See frontage road Advisory speed limit A speed recommendation by a governing body. All-way stop or four-way stop An intersection system where traffic approaching it from all directions ...

7. News, Politics, Sports, Mail & Latest Headlines - AOL.com

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   Discover the latest breaking news in the U.S. and around the world — politics, weather, entertainment, lifestyle, finance, sports and much more.