What's the traffic sign to ask so much?

As the safety of road signs, a 'deaf' police, traffic sign instructions for travel safety plays the important role of escort. Traffic signs in our daily life guidance and the warning role, many roads

 as road safety signs, a 'deaf' police, traffic sign instructions for travel security escort play an important role. Traffic signs in our daily life guidance and the warning role, many roads, traffic jam, underground parking, etc. There will be road traffic signs. Now is becoming more and more pre-emptively and convenient transportation, traffic accident is every day in the attack, in the intersections, provincial highway, state road and highway 【 The highway belongs to high grade highway. 】 Is very important, the traffic signs about traffic, so the planning and development of traffic sign, is to make the city become more and more security, make circulation of road traffic is becoming more and more. Traffic sign has gradually become not short of the signage in the city, and in the increasingly wealthy city, drive travel in unfamiliar city, often because can't find the road, it is very important at this time traffic sign, traffic signs, warned of language should be simple and clear, just tell effect, the unit of road traffic sign how big it is. The above content from manufacturers of new energy, the antenna reproduced please indicate.