When going up a hill you need to the clearance time needed for passing because your speed will be while oncoming traffic speed is likely because they are going down hill?
you will want to have DOUBLE the clearance time when trying to pass going uphill, since vehicles that are oncoming usually are traveling faster going downhill. never pass at a railroad crossing unless there are at least two or more lanes traveling in the same direction.
How fast should you go when backing up?
Back very slowly and not faster than 10 mph. Your vehicle is more difficult to control and stop when it is backing.
How should you approach the crest of a hill?
Keep to the left and slow down. Correct. Keeping to the left gives other vehicles more room, and slowing down ensures that if you reach the crest and see a previously hidden obstacle on the other side you have more time to stop.
What is the safest lane position to be in when approaching the crest of a hill?
Lane position 2 is recommended when approaching the crest of a hill. Intersections are the highest risk areas you will encounter when driving. It is illegal to pull into a shared left turn lane and wait for traffic to clear when executing a left turn from a driveway.
What is the 4 second danger zone?
Red Lights, Green Lights & Flashing Yellow Arrows: Every turn at a traffic light is a risky 4-second danger zone. The most dangerous is a left turn where you must stop to yield. When your light is a solid green ball or a flashing yellow arrow, the oncoming traffic has a green light too.
How big of a gap do you need to pass a parked car?
In the event a car door should open from one of the parked vehicles, 1 metre clearance should eliminate a potential accident. If passing parked cars on a narrow road for example, it isn’t always possible to leave a 1 metre clearance gap.
How tall does a bridge clearance have to be?
The Federal Highway Administration sets bridge clearances at 14-16 feet, unless a special design exception is obtained. There is no Federal maximum height regulation on commercial motor vehicles.
How long does it take for a truck to pass?
If a truck is only going one to three miles per hour faster than another, in order to ensure safe passing and get back into the lane with a safe distance, it takes about two minutes and twelve seconds or 3.7 percent of a mile.
How tall does a semi truck have to be to clear a bridge?
When it comes to interstate bridges, they are designed to clear semi trucks which are limited in height to be under 13’- 6“. But here again, each state may be different. The Federal Highway Administration sets bridge clearances at 14-16 feet, unless a special design exception is obtained.