| / /1821 | Stockton and Darlington Railway
Company incorporated |
| / /1825 | Charles Tennant
Charles Tennant, one of the promoters of the Garnkirk and Glasgow Railway, visits the Stockton and Darlington Railway with his family. Local suppliers and mines further afield via the Monkland Canal were struggling to meet the coal demands of the St Rollox Chemical Works. |
| / /1825 | Stockton and Darlington Railway
Line opened from Witton Park (by Shildon) to Stockton Quay |
| / /1827 | Black Boy Branch (Stockton and Darlington Railway)
Line opened from Shildon to the Black Boy Incline to the Black Boy Colliery, Adelaide Pit, Eldon Pit and Deanery Pit. |
| / /1830 | Middlesbrough Branch (Stockton and Darlington Railway)
Opened from Stockton (Bowesfield Junction) to Middlesbrough [Watson^s Wharf] . |
| / /1837 | Middlesbrough Branch (Stockton and Darlington Railway)
Middlesbrough [2nd] station relocated at further east riverside location. |
| 30/11/1841 | Stockton and Darlington Railway
Runs service from Darlington (North Road) to the Clarence Railway^s terminus at Coxhoe. (This was in anticipation of the Newcastle and Darlington Junction Railway^s opening.) |
| / /1842 | Middlesbrough Branch (Stockton and Darlington Railway)
Middlesbrough Dock Goods branch opened. |
| 05/05/1842 | Stockton and Darlington Railway
Runs service from Darlington (North Road) to its South Church terminus. This was in anticipation of the Newcastle and Darlington Junction Railway opening. |
| / /1846 | Middlesbrough and Redcar Railway
Line opened from Middlesbrough (passenger connection) and Guisborough Junction (goods/mineral), both off the Middlesbrough Branch (Stockton and Darlington Railway), to Redcar [1st]. Stations opened at Middlesbrough, Cleveland Port, Redcar [1st]. |
| 16/07/1846 | Leeds and Thirsk Railway
Second Leeds and Thirsk Act gives powers to open a line from Northallerton to Billingham on the Stockton and Hartlepool Railway, Eaglescliffe on the Stockton and Darlington Railway and Stockton on the Clarence Railway. |
| 30/07/1855 | Dearness Valley Railway
Act passed for line between Durham and Waterhouses. Line connected at western end with colliery line to East Hedleyhope and tortuous line to Crook via the Stanley Inclines of the Stockton and Darlington Railway. |
| / /1859 | Stanhope and Tyne Railway
Nanny Mayor's Incline closed, replaced by the Nanny Mayor's Incline Deviation (Stockton and Darlington Railway) (and reversal at Burnhill Junction). |
| / /1859 | Nanny Mayor's Incline Deviation (Stockton and Darlington Railway)
Opened from Burnhill Junction to Whitehill Junction. Burnhill Junction [Station] opened. |
| / /1859 | Stanhope and Tyne Railway
Waskerley closed (coinciding with the closure of Nanny Mayor's Incline) and the opening of the Nanny Mayor's Incline Deviation (Stockton and Darlington Railway). |
| / /1861 | Saltburn Branch (Stockton and Darlington Railway)
Opened from Warrenby Junction (Middlesbrough and Redcar Railway) to Saltburn. Stations opened at Redcar, Marske and Saltburn (a temporary platform - replaced the following year). |
| / /1862 | Saltburn Branch (Stockton and Darlington Railway)
Permanent Saltburn station building opened. Architect William Peachey. |
| 30/06/1862 | Eden Valley RailwayStockton and Darlington Railway
Eden Valley Railway bought by the Stockton and Darlington Railway. |
| 30/06/1862 | South Durham and Lancashire Union Railway
Absorbed by Stockton and Darlington Railway. |
| / /1863 | Stockton and Darlington RailwayNorth Eastern Railway
Stockton and Darlington Railway absorbed by the North Eastern Railway. |
| / /1867 | Weardale Extension Railway (Derwent Iron Company)
Sunnyside Incline replaced by Sunnyside Incline Deviation (Stockton and Darlington Railway). Tow Law [1st] closed. Closed from foot of Sunnyside Incline to Sunnyside Depot. |
| / /1867 | Sunnyside Incline Deviation (Stockton and Darlington Railway)
Deviation opened along with Tow Law [2nd]. |
| / /1877 | Middlesbrough Branch (Stockton and Darlington Railway)
Middlesbrough station entirely rebuilt on same site. |
| / /1893 | Nanny Mayor's Incline Deviation (Stockton and Darlington Railway)
Burnhill Junction [Station] renamed Burnhill. |
| / /1908 | Middlesbrough Branch (Stockton and Darlington Railway)
Diversion of the main line south around Tees Marshalling Yard. |
| / /1929 | Saltburn Branch (Stockton and Darlington Railway)
Saltburn East opened. |
| / /1939 | Nanny Mayor's Incline Deviation (Stockton and Darlington Railway)
Burnhill closed to passengers. |
| / /1950 | Saltburn Branch (Stockton and Darlington Railway)
Redcar renamed Redcar Central. |
| / /1956 | Sunnyside Incline Deviation (Stockton and Darlington Railway)
Tow Law [2nd] closed to passengers. |
| / /1965 | Weardale Extension Railway (Derwent Iron Company)
Sunnyside Incline Deviation (Stockton and Darlington Railway)
Closed from Blackfield Siding via Tow Law [1st] to by Crook [1st]. |
| / /1969 | Nanny Mayor's Incline Deviation (Stockton and Darlington Railway)
Closed from Burnhill Junction to Whitehill Junction. Later used to access Burn Hill MOD and Burnhill. |
| / /1978 | Saltburn Branch (Stockton and Darlington Railway)
Portion of line abandoned when a deviation is opened to the south of the original alignment close to the former Warrenby Junction. |
| / /1978 | Saltburn Branch (Stockton and Darlington Railway)
Line cut back at Saltburn and the trainshed demolished. |
| / /1985 | Saltburn Branch (Stockton and Darlington Railway)
Longbeck opened. |
| / /1990 | Saltburn Branch (Stockton and Darlington Railway)
The main station building at Redcar Central falls out of railway use. |
| 23/09/2002 | Middlesbrough Branch (Stockton and Darlington Railway)
Thornaby station renovated and staffed. |
| / /2004 | Stockton and Darlington Railway
NRM Shildon opened. |
