A Pavement marker is any kind of device or substance that is used on pavement to convey information. This article is about the American English usage of pavement as the durable surfacing of roads and walkways. ...

In general, these devices are either mechanical, paint or plastic. They can be used to mark the edges of traffic lanes, or serve as noise generators when run across a road, or attempt to wake a sleeping driver when installed in the shoulders of a road. The word mechanical can mean one of several things: A device or principle described as mechanical relates to a mechanism or machine, or the realm of Newtonian mechanics. ... For information on the U.S. borough, see Paint, Pennsylvania. ... The term plastics covers a range of synthetic or semi-synthetic polymerization products. ...

Mechanical devices can be either raised or recessed into the pavement and either reflective or non-reflective. While generally permanent, they may also be moveable. The term reflection (also spelt reflexion) can refer to several different concepts: In mathematics, reflection is the transformation of a space. ... For the hair treatment see Permanent wave. ... For the novel by Ernest Hemingway, see A Moveable Feast. ...

Bot dots (low rounded white dots), sometimes called Botts' dots after the California engineer who came up with the idea, is one type of a mechanical non-reflective raised marker. Generally used to mark the edges of traffic lanes, frequently in conjunction with raised reflective markers. State nickname: The Golden State Other U.S. States Capital Sacramento Largest city Los Angeles Governor Arnold Schwarzenegger Official languages English Area 410,000 km² (3rd)  - Land 404,298 km²  - Water 20,047 km² (4. ...

Bot dots are also used across a travel lane to draw the drivers attention to the road. They are frequently used in this way before toll booths to get the drivers attention so they slow down or when a significant drop in speed has happened like going into a school zone. They are normally only used in warm climates since snow plows usually remove them along with the snow. A toll road, turnpike or tollpike is a road on which a toll authority collects a fee for use. ... A school zone refers to the area of a street near a school, where the speed limit is reduced to protect student pedestrians. ... A small sidewalk clearing plow in Ottawa, Canada A snowplow (or snow plow) is a vehicle or device used for removing snow from roadways, driveways, runways, and other surfaces. ...

Reflective markers, known as Cat's eye in some countries, are normally used as travel lane dividers. By being reflective, they are more visible at night and in inclement weather. White is generally used to indicate a travel lane in your direction of travel. Red is used to indicate a travel lane opposite to your direction of travel. Yellow is used to indicate that traffic on the other side of the line is moving in the opposite direction. The orange markers separate opposing traffic lanes. ... This article describes the time of day. ... Composite satellite image showing the progress of a hurricane weather system approaching the east coast of America Weather comprises all the various phenomena that occur in the atmosphere of a planet. ... White is a color (more accurately it contains all the colors of the spectrum and is sometimes described as an achromatic color—black is the absence of color) that has high brightness but zero hue. ... Red is a color at the lowest frequencies of light discernible by the human eye. ... Yellow is the color of light whose wavelength is between 565 nm and 590 nm, or is a mixture of red and green light that appears to be the same color. ...

These markers can also be used for other purposes such as marking the locations of fire hydrants (blue) or at gates to gated communities to indicate that emergency service vehicles have a code or device that allows them to open the gate. In some countries like the UK raised markers are also used to mark crosswalks to assist the blind in crossing streets. Yellow Fire Hydrant A fire hydrant (or colloquially in the US, fire plug) is a source of water provided by most metropolitan communities to enable firefighters to tap into the municipal water supply to assist in extinguishing a fire. ... Blue (from Old High German blao shining) is one of the three primary additive colors; blue light has the shortest wavelength range (about 420-490 nm) of the three primary colors. ...

In colder climates, reflective markers can be installed below ground using an elongated narrow triangle, cut into the pavement that allows the device to be installed below the road surface.

Rumble strips are sometimes installed on the shoulders of a road to wake up a sleeping driver who has drifted out of a travel lane onto the road's shoulder. Tires running across the trenchs cut into the surface make a lot of noise and shake the steering wheel. Rumble strips are strips of painted, ridged road surfaces to warn drivers when they stray from their lanes. ... Sleeping girl Sleep is the fundamental anabolic process common to all life forms, plant and animal. ... Firestone tire A tire (US spelling) or tyre (UK spelling) is a roughly toroidal piece of (usually) rubber placed on a wheel to cushion it. ... The word shake refers to: Shake (software) Milkshake Shake (roof) Shake (cannabis) Shake (time) A Shake on a brass instrument, especially the Trumpet, implies quickly slurring to a note above the written note. ... A modern road cars steering wheel A modern Formula One cars steering wheel that has buttons and knobs to control various functions A steering wheel is type of steering control used in most modern land vehicles, including all mass-production automobiles. ...

Pylons are sometimes used to separate HOV lanes from regular traffic lanes. They are also used in areas where lanes are used at different times for travel in both directions. These pylons have shafts that drop into holes in the pavement. A good example of this type of use is the Golden Gate Bridge in San Francisco. A permanent, separated high-occupancy vehicle lane on I-91 in Connecticut A high occupancy vehicle (or HOV) is any vehicle with a driver and one or more (or sometimes two or more, or three or more) passengers. ... View to the northwest, towards the Marin headlands The Golden Gate Bridge is a suspension bridge spanning the Golden Gate, the opening into the San Francisco Bay from the Pacific Ocean. ... San Francisco skyline. ...

Plastic is commonly used to mark crosswalks, stop lines and traffic guidance such as turn lanes, HOV lanes, train crossings, pedestrian crossings, taxi lanes, and bus lanes. The plastic is applied by heating and then rolling onto the pavement. This crossing in London was famously featured on the cover of The Beatles album Abbey Road. ... For people named Lane, please see Lane (people) The word lane has two meanings: A narrow road, usually lacking a shoulder or a median. ... This article needs cleanup. ... This crossing in London was famously featured on the cover of The Beatles album Abbey Road. ... Taxi may mean: A form of public transportation: see taxicab. ... The Bus, established by Mayor Frank Fasi, is Honolulus only public transit system. ... HVAC may also stand for High-voltage alternating current HVAC is an initialism that stands for heating, ventilation and air-conditioning. This is sometimes referred to as climate control. ... Rolling is a fabricating process in which the metal, plastic, paper, glass, etc. ...

Paint, sometimes with additives like reflective glass beads, is generally used to mark travel lanes. It is also used to mark spaces in parking lots or special purpose spaces for handicap parking (blue), loading zones, or time restricted parking areas. Colors for these applications vary by locality. Parking lot is the American English term that refers to a cleared area that is more or less level and is intended for parking vehicles. ...

In some areas, black paint is applied on concrete before a smaller white line is painted. This improves the visability of the white line against the "white" concrete. Black is a color with several subtle differences in meaning. ...