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1000 feet
1000 feet
1000 feet
1000 feet
1000 ft
1000 feet
Those laws vary from place to place. Common courtesy dictates to dim your lights well before they reach the oncoming vehicle.
500 feet
500'
When you are within 500 feet of an oncoming vehicle or you come up behind a vehicle.
250
If you can see the oncoming vehicle then he can see you. Dim your lights at that time.