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No, Flashing your headlight's will have no effect on a traffic signal. The reason a traffic signal changes for emergency vehicles that have the lights flashing, is, they have a special transmitter that tells the light to change. This transmitter is connected to the emergency lights so it comes on when the lights are used.
You must stop
In the U.S.A it means you have the right of way but proceed with caution.
This is called a "stale green" signal. It is about to change to amber. This is also recognized at some intersections by the flashing crosswalk signal informing pedestrians not to cross.
It means you should slow down and be prepared to stop if necessary. "Slow down and cross the intersection carefully."
It means you should slow down and be prepared to stop if necessary. "Slow down and cross the intersection carefully."
you stop - look in all directions - and proceed if clear of opposing traffic.
A red light - steady or flashing - means STOP. A steady amber light means Caution - signal about to change. A flashing amber light means SLOW DOWN.
When you see flashing red lights at a 4-way stop Light instead of normal traffic signals you should approach the intersection as if it was a 4-way stop sign, alternating N/S and E/W lanes proceeding through the intersection, one car at a time. Typically this type of situation happens when the traffic signal system is malfunctioning.
means nothing Wrong! It means caution. Something requires extra attention. At an intersection, a flashing circular yellow means to take extra caution, and watch for traffic on the cross road (which has a flashing red light). A flashing red light is the same as a stop sign. A flashing yellow arrow means you ma turn in the direction of the arrow, but you must yield to conflicting traffic. If the flashing yellow light is not at an intersection, it either calls attention to a road hazard on an accompanying sign, or indicates that a special regulation indicated on the sign is in effect (School speed limit 20 when flashing).
A flashing red signal is same as a STOP sign. So prepare to stop.
Unless you are referring to a comnmercial vehicle whose height would obscure the signal to approaching traffic, you only need comply with normal parking restrictions which may, or may not, be posted.