here is a selection of route proposals i've came up with over christmas and heres my list of suggestions some have proposed by other and by myself as well. I've even listed some rolling stock as well. here is a list my proposed routes Scottish Routes Edinburgh - Fife circle to perth Falkirk - stirling - perth and from perth the tracks run up to Inverness. Inverness to George mass junction/wick The Ayrshire coal fields - cumnock to dumfries - Hunterston and longannett power station Stirling - kincardine The borders Railway USA UP Blue mountains route Hinkle to la grande , La grande to Nampa brookyln sub - portland to Eugene cascade sub - Eugene to klamath falls Southern pacific siskoui line - Eugene to Black butte UP Ayer Subdivision - Hinkle to Spokane Spokane Subdivision - Spokane to Eastport (Canadian Border) Union pacific /southern pacific moffat route north Fork branch 95 miles west elk mine to Grand Junction Grand Junction to Glenwood springs Glenwood spring to Bond Energy mine - Phippsburg - Bond Bond - moffat Tunnel - Denver North yard Quebec North shore & labrador Arcelor mittal Quebec cartier railway Chemin de fer Arnaud railway Tshiuetin Rail Transportion CN Edmonton - jasper Jasper to Prince George Prince George to tumbler Ridge coal mines Prince George to Prince Rupert/Ridley island terminal Halifax Nova Scotia - Saint John - to Montreal or a few of the subdivisions CP northern Ontario - heron bay and nipigeon sub Evansville & western (EVWR) running on the Ex L&N trackage SVTX runs on the EVWR - these units are owned by the cline group and run to their coal mine but mainly the sugar camp mine to Sitran dock (Franklin Illinois ) and on rare occasion the power plant Abee Illinois and on rare occasions make trips to convent terminal new orleans Alaska railroad extensions - Anchorage to Fairbanks extension onto the Iowa interstate Railroad running on ex rock island track The rolling stock is new aluminium bethgons, RD4/RDL hoppers. greenbrier 5188 hoppers articulated autoracks
We need BNSF or ATSF Seligman Sub, SP/UP/BNSF/ATSF Tehachapi Pass, UP/SP Mojave Sub over Cajon to West Colton Yard, Milwaukee Road electrified in Montana, and the NYC Water Level Route. I do like some of the ideas you had.