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Question
Dear Prof Scott

http://en.wikipedia.org/wiki/Right-_and_left-hand_traffic


Similar to there are Left hand and Right Hand Drive Vehicles in different countries, is this also applicable to trains ?.
Similarly the Traffic signs positions accordingly will also vary ?.

i.e

The Motorman sits on the left hand side in the cabin for Train operations  in some countries ?.
Or
The Motorman sits on the right hand side in the train cabin for Train operations  in some countries ?.
Or
Is a Universal rule applied in all countries where there will be always
motorman sitting on Left hand side or right hand side in the cabin ?.


Awaiting your reply,

Thanks & Regards,
Prashant S Akerkar

Answer
Writing tip: A sentence can have three symbols that end it.  
They are '?', '!', or '.'.  As an illustration, read the following.

"Do you understand?  Why yes, I understand.  Are you sure?  Yes, I am sure!"
After a question mark or an exclamation point, there is no period.


Now as far as the question goes ...
I believe it is asking about which side a train driver is on.  Since car drivers sit on either the left or right side, depending on the country they are in, does this also apply to trains?

As far as I know, the train tracks are monitored and trains are allowed to go either direction since there is usually only one track.  The current train on the track is kept track of and any other trains that want to go on that track need to find out if they can go the direction they want to go.  If there is already a train on the tracks headed in the other direction, they can't proceed until the other train comes in.  There are a few place where one train can pull over onto a side track to let another go by, but trains are usually too long to do this.

I searched on the web for this and found some good file to read.
They are https://uk.answers.yahoo.com/question/index?qid=20100717165332AAlkb5N

For steam engines, the driver is on the right side of the cab, as seen in
http://www.catskillarchive.com/rrextra/engineer.Html

As can be seen in this German train, the driver could be in the center of the train.
http://en.wikipedia.org/wiki/Railroad_engineer#mediaviewer/File:F%C3%BChrerstand


What I found out about cars was pretty interesting.  In most countries, the driver is on the right side of the road, but there are a few where this is not true.

The current laws of which side of the road is for driving is seen in
http://www.businessinsider.com/map-countries-driving-on-left-or-right-2014-1


Some countries have changed, as seen in
http://en.wikipedia.org/wiki/Right-_and_left-hand_traffic#mediaviewer/File:Drivi
with the colors meaning the following:
Red       : has always driven on the right
Orange    : has driven on the left, but now drives on the right
Dark Blue : has always driven on the left
Purple    : has driven on the right, now drives on the left
Green     : had non-uniform driving orientation rules, but now drives on the right
Light Blue: had non-uniform driving orientation rules, now drives on the left  

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Scott A Wilson

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I can answer any question in general math, arithetic, discret math, algebra, box problems, geometry, filling a tank with water, trigonometry, pre-calculus, linear algebra, complex mathematics, probability, statistics, and most of anything else that relates to math. I can also say that I broke 5 minutes for a mile, which is over 12 mph, but is that relevant?

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Experience in the area; I have tutored people in the above areas of mathematics for over two years in AllExperts.com. I have tutored people here and there in mathematics since before I received a BS degree back in 1984. In just two more years, I received an MS degree as well, but more on that later. I tutored at OSU in the math center for all six years I was there. Most students offering assistance were juniors, seniors, or graduate students. I was allowed to tutor as a freshman. I tutored at Mathnasium for well over a year. I worked at The Boeing Company for over 5 years. I received an MS degreee in Mathematics from Oregon State Univeristy. The classes I took were over 100 hours of upper division credits in mathematical courses such as calculus, statistics, probabilty, linear algrebra, powers, linear regression, matrices, and more. I graduated with honors in both my BS and MS degrees. Past/Present Clients: College Students at Oregon State University, various math people since college, over 7,500 people on the PC from the US and rest the world.

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My master's paper was published in the OSU journal. The subject of it was Numerical Analysis used in shock waves and rarefaction fans. It dealt with discontinuities that arose over time. They were solved using the Leap Frog method. That method was used and improvements of it were shown. The improvements were by Enquist-Osher, Godunov, and Lax-Wendroff.

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Master of Science at OSU with high honors in mathematics. Bachelor of Science at OSU with high honors in mathematical sciences. This degree involved mathematics, statistics, and computer science. I also took sophmore level physics and chemistry while I was attending college. On the side I took raquetball, but that's still not relevant.

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I earned high honors in both my BS degree and MS degree from Oregon State. I was in near the top in most of my classes. In several classes in mathematics, I was first. In a class of over 100 students, I was always one of the first ones to complete the test. I graduated with well over 50 credits in upper division mathematics.

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My clients have been students at OSU, people who live nearby, friends with math questions, and several people every day on the PC. I would guess that you are probably going to be one more.

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