Road traffic signs is to show the graphic traffic laws and road information sign, it can get the image of the traffic regulations, specific, concise expression, also expressed the content is difficult to describe in words, and to manage traffic, indicating the direction of travel in order to ensure road flow and traffic safety facilities. Applied to roads, urban roads and highways all dedicated, has the nature of the Act, vehicles, pedestrians must comply. Construction of road traffic signs are generally made flag floor, mark surface, columns, fasteners, foundation composed of several parts. Signs Materials Processing Description: 1, using high-quality aluminum alloy plate materials, engineering-level or high-strength grade reflective sheeting, reflective at night with good results. 2, according to the national standard size, aluminum and reflective film be cut (square, circle). 3, wash aluminum with a polished aluminum make aluminum Bai Jie cloth surface roughness, after washing with water dry. 4, a hydraulic machine attached to the reflective film has a good clean aluminum stand. 5, computer typesetting logo and text, and the reflective film direct computer engraving machine plot and characters. 6, carved a pattern with good design and printing squeegee pressure attached to the aluminum base film forming. Signs installed in the appropriate location and vehicle import and export field, road running properly guide the vehicle, traffic signs located ban signs, directional signs and other signs. Category traffic signage divided into the main signs and auxiliary signs two categories. Master flag (1) warning sign: Warning vehicles and pedestrians on road sign in front of a dangerous place. Road traffic signs (2) prohibition signs: prohibit or restrict the vehicles, pedestrians traffic behavior of some signs. (3) indicator: Indicates vehicles, pedestrians traveling sign. (4) A directional sign: road direction, location, distance marker information. (5) Tourist Area flags: tourist attractions direction, distance signs. (6) road construction safety signs: circular road construction zone traffic sign. (7) speed limit signs: Warning signs to slow down the vehicle. Auxiliary flag attached to the main sign, the sign of the role played HELP. The technical requirements set 1, Traffic Signs should be considered, rational layout, lack of information or prevent overload phenomenon. Information should be connected, important information should be repeatedly displayed. 2, traffic signs under normal circumstances should be set in the direction of travel on the right road or above the carriageway; you can also set up according to the specific situation on the left, or to the left and right sides at the same time setting. 3, in order to ensure the visibility, the same place you need to set more than two signs can be mounted on a support structure (support) on, but most not more than four; flag set separately, should meet the ban, instructions and warning signs installation space. 4, in principle, to avoid different types of signs and set. Structure (support) on time can not be set as conditions of restricted individual, one supporting up to; to lift the speed limit sign, unban overtaking signs, intersection preemption flag, the car will first sign, stop to sign, reduce speed signs should be set separately no more than two signs. When the sign board in a support structure (support) and set up, should the ban, indicating the order of the warning, the first following the first left-right order. 5, should not set up warning signs. The same place when you need to set up two or more warning signs, set up only one where most needed in principle. (Warning Signs: Warning vehicles and pedestrians on road in front of) the basic meaning of color under normal circumstances traffic sign colors are as follows: 1. Red: They stop, danger, prohibition signs for the border, background, slash, but also with Forked symbols and slash symbol, warning linear induction of the underlying background and so on. Yellow or fluorescent yellow: a warning, a warning sign for background 2. Blue: used to represent instructions to follow for signs of background: represent names, routes, driving directions and other information, for general road directional sign background 3. Green: Indicates names, routes, driving directions and other information, for highway and urban freeway directional sign background. 4. Brown: that tourist areas and attractions awake projects indication sign for tourism 5. black background: for word identification, graphic symbols and some signs of background 6. White: background for flags , text and graphic symbols and signs of the frame part 7. fluorescent orange or orange: Warning road work area for 8. The fluorescent yellow green guide signs: a warning for the attention of pedestrians, pay attention to traffic signs warning sign children shape General Terms of Use positive equilateral triangle shapes: round for warning signs: signs for prohibition and inverted equilateral triangle: for "reduce speed" disable flag octagon: a "stop to" disable flag fork : for "railway level crossing fork symbol" warning sign square: a directional sign, part warning, prohibition and signage, tourism signs, auxiliary signs, notices signs except for a few signs, flags and color of the border consistent color flag graphics or character colors other signs lining the outer edge mark should be consistent with flag background. Functional road traffic signs are color, shape, characters, graphics, etc. to pass information to road users to manage traffic facilities. Road traffic signs and traffic conditions should be combined set. Provide accurate and timely information and guidance through traffic signs, road users make a smooth and efficient arrival, facilitate traffic flow and road safety. [1] The main role of road traffic signs are:? 1, to provide road information, play a role in the way language. 2, command and control traffic to ensure traffic safety. 3, guiding guide and improve traffic efficiency. 4, to provide a basis for enforcement of the traffic management department. Note novice because of traffic signs no personal experience, and therefore most likely to occur in violation of traffic signs of behavior. At the same time due to the traffic signs do not understand or timely detection, but also prone to go the wrong way, take the case of costly mistakes. These cases are inevitable. 1, in order to facilitate the observation of traffic signs, the novice should pay attention to the street in the car, on the road side signs set, the vision is much higher, and then find out the meaning of traffic signs indicating the lane. 2. Also in the approaching intersection, direction signs will be in the driveway, and newcomers often because staring ahead, while ignoring the guide traffic signs on the road, resulting in a violation or costly mistakes. Therefore drive reaching the intersection in front of the slow down in advance, to observe traffic signs and road junction in front of the right to choose their own route.