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Red: indicates danger ahead. It might mean a no-entry, one-way street, dangerous zone for overtaking, speeding, stopping, etc.
Orange: indicates construction or road maintenance is taking place temporarily.
Yellow: indicates a warning
Green: indicate permitted movements and directions or guidance
Blue: indicates toll-free route on these roads
As a driver, it’s important that you understand what the road signs mean, and act accordingly to avoid accidents happening on the road