The plans aren't online I'm afraid - they are the product of in-person visits to various archives.
They relate to lines that I know very well - so I am able to compare them with what actually built. Knowing that the lines were allowed to be built anywhere within the lines of deviation makes some sense of various bits where the actual line is some way off the main line marked on the map.
What area are you interested in? I might be able to give some tips on where to look for plans, based on my own experience so far.
Thanks for the offer of help here, but I think I've tried all the possible avenues bar short of a personal site visit - Thanks anyway!
I accessed these via Portcullis Library or The British Library! Not easy (or cheap) to find & copy at all.
The other place people go to find plans and books of reference is county record offices (a lot of which have now renamed themselves as something else). Copies of those two items in particular had to be made available in every affected parish and other places, so there are usually surviving copies.
These places are indeed locations where plans can be located, but as stated, they are not easy to find and definitely not cheap to obtain a copy. Now I know for instance the British Library has a huge number of historical documents (which is a vast understatement), but wouldn't it be a good idea to get railway plans scanned and available online?
I for one would be happy to pay for a copy, and once scanned and made available online you can then limit any possible damage to the original plans etc. Anything concerning the railway has a ready made market! I know it would be some undertaking but it makes sense to me for one.
Going back to those dotted lines...
As far as I understand the solid continuous line indicates the centre line of the railway that is to be built. The dotted lines indicate the limits of the land that the company is allowed to acquire under the statutory powers that it has been granted by the Act. ‘Thus far may you go without further ado if you so wish.’
I've found over the years on here that
@Gloster is usually right on the ball with his comments.
That's not quite how I read it. For lands and owners named in the book of reference accompanying the act, acquisition could be by compulsion. If they did not agree terms and prices with the company, those could be set by a JP, but the owner could not refuse. For extra land required within the limits of deviation, if the owner was named then compulsion could be used. For any new owner, they would have to agree - as worded it seems they would volunteer for the purchase to be compulsory, which sounds paradoxical.
It does sound paradoxical, but if part of the land a railway company wants from you is not very productive, i.e. used for a few sheep to graze on then selling the land would be more beneficial to you.
The acts quoted here are indeed the acts that are invoked within new ones. I had a look again at the two acts that were used to authorise my line of interest, firstly they mention the acts listed above, but the second one has an extra clause in it. Lands for extraordinary purposes - citing the railways clauses consolidation act, 1845 it states shall not exceed 10 acres in addition to any such lands which they have already authority to purchase. This means, at least for the second section of the line the L&Y can if needed get more land but Parliament has put a limit onto just how much the railway company can get (in this case across 2 mile route).