What is the railway car called that two people navigate by pumping up and down on a see-saw handle?

Question:
They were used to build the railways to navigate from one unfinished section to another.

Answers:

Is there a way to go, from england to amsterdam with train?

A "Gandy Dancer" ! ! !

Where can I buy a replica British Rail Hi Visibility waistcoat from?

Dunno, but you see them alot in westerns.

Railroad car?

It is called a Gandy dancer platform

Save me some money, please...?

because it looks like the people working the pushbar are dancing

Railfans: Where is a place that has rail being added NOT ripped up?

And there was me thinking these only existed in Tom and Gerry cartoons, thanks for asking, I learn something new every day on here, assuming the 2nd answer is correct of course, but I've given it a thumbs up!

Stoping a train 108 cars long?

It was called quiet simply a Railroad Hand Car.
I have searched and been able to locate a picture of one for you to look at.
Hope this answers your question.

Train Crashes, is it the work of a nutter.?

Actually it was called a Handcar. It was used by the Gandy dancers for track maintenance.

What kind of chemicals is used on railroad ties?

A Gandy Dancer was a track maintenance worker.
They worked in rythm by singing.
It is said that the term came from the Gandy Tool company that manufactured railroad tools.

Have you ever riden on a train?

Hand crews used specialized hand tools known as gandys to lever rail tracks into position.

I want to take my car on the train from dover to paris?

two man flatcar ?

How are railroad switches controlled?

Hard work!

Why do trains stop right in the middle, back up, and go again? And why do they have cars with nothing in them?

In the UK they are called pump cars.

What train runs between delhi and allahabad?

Don't know but always wanted to have a go on one of those!

History of American trains?

A gandy dancer.