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OEM Licenseplate Co., Ltd has more than 20 years of experience in making custom number plates, license plates, license plate frames, traffic signs, road signs, and metal nameplate signs for car dealers, governments, and consumers around the world.
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A traffic sign is a visual communication device placed on roadways or other public areas to provide information, guidance, or give instructions to road users. Traffic signs play a crucial role in regulating and managing traffic flow, ensuring safety, and communicating important information about road conditions to drivers, pedestrians, and cyclists.
Importance of Traffic Signs
Rulebook for Drivers
Road safety signboards are uniform across the country. The same “stop” sign can be found in various places across different countries. It would be difficult to know what to do if the signs were not consistent. The roads would be extremely hazardous. While there’s no guarantee that everyone will always follow the rules, if they don’t, there will be consequences.
Easily Understandable for Everyone
The design of a sign is crucial. Rather than relying on words, traffic signs frequently use images, such as an animal crossing or children at play, to convey a message. This is significant because it aids anyone who does not speak the country’s language in comprehending the sign’s meaning. Colors are also important. The colour red indicates that a driver should stop or yield, while the colour yellow indicates caution.
Safety of All Drivers
The most obvious benefit of road safety signboards is driver safety. Our roads would be chaotic and dangerous without them. Drivers would have no idea when to stop, yield, or travel at what speed. They would be unaware of impending difficulties. Due to the lack of signage, reckless drivers would be free to do whatever they wanted, putting themselves and other drivers in danger. The rules of the road are made clear by traffic signs, which keep drivers safe.
Speed Signs
Every driver should be aware of the top (and occasionally bottom) speed limits thanks to the presence of speed limit signs. Depending on the type of road you are on, these signs can assist individuals avoid accidents and other dangers. The amount of crashes, the severity of the roads, the surrounding area, and the presence of cyclists and pedestrians are only a few of the variables that traffic engineers consider when determining speed limits. This is why, in contrast to the slower, more congested streets in residential areas, you may travel considerably more quickly on open roads like motorways where there are less obstacles and hazards.
Stop Symbols
Stop signs alert drivers that they must stop completely and check that their road is clear before continuing. Stop signs are best used at intersections to avoid conflict and confusion among drivers as there may be a disagreement over who has the right to go first. These signs can reduce automobile and pedestrian collisions by ensuring predictable and smooth traffic flow.
Yield Symbols
Just like stop signs, yield signs warn cars to give way to pedestrians and other vehicles. However, yield signs don't always call for a complete stop. These signs are frequently positioned in places like crosswalks, roundabouts, and cross streets. The driver is aware that they should use caution due to incoming traffic. The driver does not have to stop in case the road is clear. Similar to stop signs, these sings lower the possibility of collisions and promote smooth traffic movement.
Signs for Pedestrian Crossing
Traffic signs concern more than simply other vehicles. They are also there to safeguard pedestrians. Drivers are cautioned by pedestrian crossing signs to be on the lookout for potential pedestrian crossings. These are positioned at crosswalks and come with a variety of designs. They instruct drivers to yield for pedestrians and stop. As pedestrian collisions can be more dangerous than vehicle crashes, crossing signs serve as a reminder to drivers to drive carefully.
Signs for Construction
Momentary construction signs are as significant to the other signs on this list, which are permanent installations. Both pedestrian and construction signs serve to safeguard workers and persons who are strolling on the road. These signs, which are frequently bright orange, can serve a variety of functions, including warning motorists to be cautious of workers and monitoring their speed limits. Construction signs are crucial because they inform motorists of modifications to their routine travel.
Types of Traffic and Road Signs
Regulatory Signs
An example of regulatory signs are stop signs, yield signs, one-way signs, speed limit, No U-Turn, One-Way, No Parking and Road Closed signs. They regulate the speed and flow of traffic and parking.
Warning Signs
Warning signs are usually in a diamond shape and bright yellow. Warning signs warn drivers of such things as merging traffic, railroad and bicycle crossings and traffic signals ahead.
Pedestrian and Bicycle Signs
These types of road signs indicate pedestrian crosswalks as well as where bike lanes begin and end on main roadways.
Guide Signs
Typical guide signs include interstate and highway signs, destination distance signs, mile markers, roadway junction signs, and highway exit signs.
Motorist Services and Recreation Signs
These signs indicate recreation areas like campgrounds, hiking trails, picnic areas, gas stations, emergency services, and rest areas.
School Signs
School signs warn drivers that a school is nearby, directing them to drop their speeds and to watch for children and pedestrians.
Materials of Traffic Signs
Traffic signs consist of three basic components: a blank, background sheeting, and sign copy. There are different raw materials for different parts:
Blank
Blanks, usually constructed of plywood, aluminum, or steel, serve as the framework of the sign. Plywood is the least expensive blank material. It is fairly strong but is susceptible to weather damage since it is porous; plywood blanks must be overlaid with a thin layer of plastic. Aluminum will not rust, but it is very lightweight and must be reinforced with metal braces along the back. It is the most expensive blank option. Steel is a more economical alternative to aluminum; it is also more sturdy and does not need reinforcement. Rusting can be prevented by applying a coat of zinc to the steel blank.
Background Sheeting and Sign Copy
Background sheeting and the letter and symbols for the sign copy are cut from retroreflective sheeting. This sheeting consists of tiny glass beads or microprisms embedded in a flexible plastic surface; this construction allows light from car headlights to be reflected off the sign and back to the driver. Colored light is reflected from the sign if the sheeting is dyed with a pigment. For instance, to make "STOP" signs, red dye can be added to the sheeting mixture when it is in a liquid form.
Standard Stop Sign Size
The size for a conventional “stop” sign is 30 x 30. That jumps up to 36 x 36 for a sign positioned on an expressway. While the maximum for an oversized stop sign is 48 x 48, the minimum allowable size is 24 x 24.
Triangle Daymarker Sign
This engineer-grade sign is available in 36 x 36 or 48 x 48. Its fluorescent background and high-intensity numbers maximize visibility with daytime and nighttime reflection. Markers are applied to anodized aluminum to meet U.S. Coast Guard specifications. Designed to stand up to the harshest UV rays, each fully washable sign lasts up to 10 years. This is an eco-friendly, recyclable choice.
Neighborhood Watch Sign
Available in both engineer grade and high-intensity prismatic, this 18 x 24 sign provides deterrents against intruders in HOAs and neighborhoods. Made using recyclable, environmentally-friendly materials, this sign will last up to 10 years amid strong UV rays and sunlight without fading or chalking. It offers high reflectivity for nighttime.
Stop Sign
This standard stop sign comes in high-intensity prismatic or diamond grade (DG3). Choose from 18 x 18, 24 x 24 or 30 x 30. Manufactured with D.O.T. anodized aluminum with 3M Scotchlite™ reflective sheeting, this sign adheres to all Manual on Uniform Traffic Control Devices (MUTCD) specifications. It offers high reflectivity at night. This is a long-lasting, eco-friendly stop sign made from fully recyclable materials. The sign holds up flawlessly in extreme UV rays and sunlight for up to 10 years.
The Manufacturing Process of Traffic Signs
Cutting the Blank
The sign blank is cut, usually from a sheet of steel or aluminum, by a metal shear machine or a band saw. Corners are rounded using the rounding-selection mode on a punch machine. Holes for mounting the sign are punched or drilled.
Checking the Blanks
The blanks are checked for any defects or contamination. Blanks must be free of grime in order for background sheeting to adhere properly. The "Tape Snap" test checks for the presence of dirt. A piece of transparent cellophane tape is applied to the dry blank surface and "snapped" up at a right angle. The presence of color or particles on the tape indicates contamination. Any trace of oil or wax is tested by the "Water Break" exercise. Water poured over the blank surface should flow evenly and completely; beading action denotes contamination.
Degreasing the Blanks
The blank surface is wiped with mineral spirits or naphtha to remove greasy fingerprints. The surface is dried with a clean, lint-free cloth before the solution evaporates. The blank is then degreased by immersion in a bath of trichloroethylene or percholorethylene vapor. Certain alkaline solutions can be used instead of the vapors in the bath. A water rinse afterward is not necessary.
Cutting the Retroreflective Sheets
Using scissors, razor blades, a knife, or a paper cutter, individual background retroreflective sheets are cut by hand. Multiple sheets, on the other hand, are cut using a band saw. In this process, the shape of the sign is traced on to a 0.125-inch (3.2 mm) wallboard. This wallboard is laid on top of about 50 sheets, secured and nailed to a hardboard cutting base. The band saw follows the pattern and cuts the sheets.
Letters and symbols are punched out from white or black retroreflective sheeting either by hand or by using a "clicker" press. Up to 29 sheets can be placed in the press at once; cutting dies, which function much like cookie-dough cutters, are placed in the machine to produce the desired characters.
Applying Sheet to Sign Blank
The adhesive liner on the back of the background sheeting is removed in one motion, and the sheeting is applied to the dry blank surface. The sign is cranked through a large squeeze-roller applicator to remove air bubbles trapped between the sheeting and the blank. Edges are then trimmed.
Heating the Sign
The sign is placed in a heat lamp vacuum applicator for one minute, removed, and allowed to cool before the sign copy and border are placed on the sign. The squeezeroller applicator or a hand roller is used over the copy to eliminate air bubbles. The sign is then covered with a plastic slipsheet and placed in the heat lamp vacuum applicator for another minute.
How to Maintain Your Traffic Signs
Traffic signs, whether permanent or temporary, are designed to withstand the stress of the elements and other environmental hazards. This makes them strong, durable, and, typically, long-lasting pieces of equipment. However, even these products require some level of maintenance over the years in order to perform effectively. In fact, the signs in your own community may need it more than you think. This is how to maintain your traffic signs to ensure they’re always legible for drivers.
Firstly, make sure you regularly have traffic sign inspections for damage. From vandalism to extreme weather, there are a lot of things that can potentially diminish their condition and leave them less effective. As such, taking the time to look them over is essential to assessing any issues and ensuring the proper response.
If traffic signs appear dirty, have them cleaned immediately. Thick layers of dirt and grime can block the reflective material underneath. This reduces a sign’s ability to reflect light back at a driver and decreases their likelihood of seeing it in time. For this process, use a non-abrasive cleaner and a soft bristle brush to scrub away at the grime on the sign’s surface. Make sure you aren’t pushing too hard since this can also damage the sheeting face.
It’s also important to cut away any branches or leaves growing around the sign. They will block light and decrease the sign’s visibility. In fact, should the situation get bad enough, drivers might not even be able to tell there’s a sign there at all. Always come prepared with hedge cutters to remove any obscuring plant life.
Checking the security of the anti-theft fasteners is another key part of maintaining your traffic signs. Unfortunately, it’s relatively common for street signs to get stolen as part of a prank or blatant act of vandalism. Anti-theft fasteners are designed to help prevent this by protecting the sign’s bolts from being cut or manipulated in any way. Because of this, always tighten these fasteners during an inspection to make sure they stay in place.
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Frequently Asked Questions about Traffic Sign
Q: What are traffic signs?
Q: Why is it important to know the traffic signs?
Q: What is the purpose of traffic control signs?
Q: Why is traffic safety important?
Q: What are the three main elements of a traffic sign?
Q: What are the principles of traffic signs?
Q: How do you clean street signs?
Q: How do you secure a street sign?
Q: What makes road signs effective?
Q: What are the 3 basic types of signs?
Q: What is advanced engineer grade reflective signs?
Q: What is high intensity prismatic reflective road signs?
Q: What is diamond grade fluorescent yellow/green prismatic road signs?
Q: What metal is used for traffic signs?
Q: What machines are used to make street signs?
Q: What is the lifespan of traffic signs?
Q: What do you do with old road signs?
Q: What traffic signs are two ways?
Q: What are five sided traffic signs?
Q: What do blue road signs mean?
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