Gloucester is in the middle of four main lines. Birmingham, Swindon, Bristol and Newport. Also with junctions to Droitwich, Norton Jn and Sharpness. Gloucester has four platforms and a “Horse Box” siding along with the full goods works.
The file is an Adobe Acrobat PDF file. If you don't have Adobe Acrobat Reader installed on your computer you can get a free download of the latest versions from the Adobe website. The last time I looked it had reached v9 and the download was 33.5Mb.
The diagram is a direct copy of the scrolling sim which means that the height is as for a landscape orientation A4 sheet, but the width is about 135cm. To print the full diagram, you will need to open the diagram in Adobe Acrobat Reader, work across the diagram screen width by screen width and for each screen width, go to File - Print. Check the Current View option under Print Range and the area on the screen will print on a landscape sheet of A4 paper.