What is the purpose of falling rocks sign?
Wherever there’s potential for people to encounter Falling Rocks, safety is always a concern. Fortunately, posting Falling Rock signs reminds everyone in the vicinity to be observant for danger.
Is a Falling rock sign a warning sign?
Alert motorists, campers, and crew about the impending dangers with Falling Rocks Signs.
What is it called when rocks fall?
Rockfall is the free or bounding fall of rock debris down steep slopes under the influence of gravity.
What is a animal crossing sign?
The Animal Crossing sign indicates to motorists that they are approaching an area where it is known that deer, elk, etc. often cross the roadway (i.e., the roadway passes through a known migratory route or feeding area).
What does slippery road sign mean?
The slippery road sign is a warning sign. Slippery road signs are posted in areas where a slippery condition might exist. Drivers should use extreme caution and slow their speed when the road is wet or icy. Avoid any sudden changes in direction when conditions are poor.
What can trigger a rockfall?
Rockfalls may be triggered by freeze/thaw action, rainfall, changes in groundwater conditions, weathering and erosion of the rock and/or surrounding material, and root growth. Rockfall is the most common type of mass movement caused by earthquakes.
What happens in rockfall?
Rockfalls are a newly detached mass of rock falling from a cliff or down a very steep slope. Rockfalls are the fastest type of landslide and occur most frequently in mountains or other steep areas during early spring when there is abundant moisture and repeated freezing and thawing.
What is the railroad crossing sign?
The railroad crossing sign is a warning sign. Railroad crossing signs are designed to alert drivers of railroad tracks ahead. Drivers must be aware of any approaching trains from both directions and be prepared to stop, if necessary.
What are roadwork signs?
Sign. Meaning. Roadwork ahead sign. You are approaching a roadwork site—be prepared for changed road conditions and slow down. If there is a speed limit on the sign, you must obey it until the next speed limit sign.
What does deer sign mean?
Deer crossing signs are warning signs. They are posted in areas that are known to have deers crossing the road. When approaching a deer crossing sign, the driver should be alert and prepared to stop for any wildlife that may decide to cross the road ahead of them.
What does Icy sign mean?
The slippery road sign is posted in areas that are known to be slippery or icy in poor weather conditions. Drivers should slow their speed and avoid any sudden directional changes when driving on a slippery road.
What is the effect of rockfall?
Falling rocks from these sources directly impact homes, vehicles, infrastructure and people. They have indirect impacts as traffic hazards and because they catalyze landslides.