|//1845||Great North of Scotland Railway||Company formed.|
|26/6/1846||Great North of Scotland Railway||Act receives Royal assent.|
The route was to be Aberdeen to Inverness with Grange to Banff and Portsoy, Orton to Garmouth, Alves to Burghhead branches.
|//1847||Aberdeen RailwayGreat North of Scotland Railway||Fusion Act made available to merge the Aberdeen Railway with the Great North of Scotland Railway (not used).|
|//1849||Great North of Scotland Railway||Shortened route from Keith to Kittybrewster proposed.|
|//1850||Great North of Scotland Railway||Authorisation to extend the line from Kittybrewster to Guild Street given. This was allowed to lapse.|