Lights on earth come from?

The light is on the east side is the construction of rail transit construction site, formed a t-junction at the signal light. Due to the placement position is too low, semaphores are covered in mud. After a long time after the careful observation, found that the light can only red light, but also just flash, if have if have no, if the eye is bad, it is easy to think that there is no red light red light; And yellow light and green light never also don't flash. Due to the light given signal is very short and is not very obvious, often can see two car wants to turn left vehicles short "smart" phenomenon. Mr. Zhao said, because the light signal of the weak to almost can't see, many vehicles directly open inadvertently ran a red light after the past, there is a big security risk. Anning district traffic police brigade staff said that the light is the construction unit of the construction of rail transit equipment, the traffic police brigade will request the construction units to wipe and repair the lamp, to associate a safe transportation motor vehicle supplies

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