The Great Central bridge (32a) that once took part of the Marylebone goods yard under Lisson Grove. 5th October 2005. OS: TQ270823

The perimeter wall of Marylebone goods station which still remains on Rossmore Road. 8th February 2009.

Looking south towards bridge 572, the final bridge on the main part of the London Extension. Just out of site around the corner is the site of the junction with the Metropolitan Railway at Quainton Road. 12th April 2006. OS: SP731194

Looking north from the same spot (a footpath crossing). 12th April 2006. OS: SP731194

Looking north from bridge 570 which carries the Edgcott - Shipton Lee lane over the line. 8th April 2006. OS: SP718209

Looking south from bridge 570. 8th April 2006. OS: SP718209

Station sign from Calvert preserved at Quainton Rd.

The station house at Calvert in the 1900s. (Photo courtesy of Buckinghashire County Council). OS: SP688246

The Calvert station house on 5th April 2006. OS: SP688246

The remains of the station at Calvert. Only the standard GCR island platform remains. 5th April 2006. OS: SP688246

Looking north towards bridge 563 from the site of Calvert goods yard. 20th January 1997. OS: SP688246

The site of Calvert goods yard seen from the road bridge (563). 5th April 2006. OS: SP688246

Looking north from the road bridge at Calvert (bridge 563). 5th April 2006. OS: SP688246

The LNWR Oxford - Cambridge line just west of Cladon LNE Junction. The GCR crossed on overbridge 561 just in front of the mile post. 29th March 2006. OS: SP681256

The site of bridge 560 where the GCR crossed the Grendon Underwood - Buckingham road. 29th March 2006. OS: SP681256

Looking north from the site of bridge 560. The course of the railway here has been lost completely but the arrow shows where the trackbed resumes. 29th March 2006. OS: SP681256

Looking south from bridge 558. 29th March 2006. OS: SP673261

Bridge 558 which carries the Charndon - Steeple Claydon road over the line near Twyford. This is the southernmost surviving bridge on the disused section of the route. 29th March 2006. OS: SP673261

Looking north from bridge 558. This section of the route is used as an access road. 29th March 2006. OS: SP673261

The view south from overbridge 557. 16th June 2008. OS: SP669265

Bridge 557 seen from the northern side. I believe this is the bridge shown in image L3436 in The Railway Archive (see links). 16th June 2008. OS: SP669265

View across the top of bridge 557. 16th June 2008. OS: SP669265

The view north from bridge 557. The trackbed here is used for keeping pigs. 16th June 2008. OS: SP669265

Looking south towards bridge 557. 16th June 2008. OS: SP668265

Looking south along the pig pens with bridge 557 in the distance. 16th June 2008. OS: SP667266

View south from the occupation crossing at Twyford. 16th June 2008. OS: SP666267

Surviving gate posts at the Twyford occupation crossing. 16th June 2008. OS: SP666267

View north from the occupation crossing at Twyford. 16th June 2008. OS: SP666267

Looking south from the river bridge at Twyford. 16th June 2008. OS: SP664269

The river bridge at Twyford (556) looking north. 16th June 2008. OS: SP664269

The original brick abutments survive beneath bridge 556. Image L2851 in The Railway Archive shows this bridge under construction (see links). 16th June 2008. OS: SP664269

Looking across the formation on bridge 556 at Twyford. A concrete deck has replaced the original GCR structure. 16th June 2008. OS: SP664269

The cutting north of Twyford looking north with bridge 554 in the distance. 16th June 2008. OS: SP662270

Occupation overbridge 554 looking south. 16th June 2008. OS: SP661271

Bridge 554 looking north. Image L1677 in The Railway Archive shows this bridge when newly built (see links). 16th June 2008. OS: SP661271

Looking north from the footpath crossing in the cutting at Twyford. Bridge 553 is in the distance. 16th June 2008. OS: SP659272

The footpath crossing here is depicted in image L1674 of The Railway Archive (see links). The timber handrail surprisingly still survives. 16th June 2008. OS: SP659272

The cutting at Twyford looking south from near bridge 553. 16th June 2008. OS: SP658273

The trackbed looking south from bridge 553. 16th June 2008. OS: SP657273

Bridge 553 seen from the weed-choked trackbed. Image L1675 in The Railway Archive shows this bridge when newly built (see links). 16th June 2008. OS: SP657273

Civil Engineer's number MCJ3 553 on bridge 553. 16th June 2008. OS: SP657273

View over the top of bridge 553 which carries a farm track over the line. 16th June 2008. OS: SP657273

View looking north from bridge 553. 16th June 2008. OS: SP657273

Bridge 546 near Chetwode. 2nd April 2006. OS: SP639289

The northern side of bridge 546. 2nd April 2006. OS: SP639289

Looking south from bridge 545 near Chetwode. 2nd April 2006. OS: SP637292

The northern side of bridge 545. 2nd April 2006. OS: SP637292

Bridge 545 from the south. 2nd April 2006. OS: SP637292

Trackbed looking south from bridge 544 near Chetwode. 2nd April 2006. OS: SP635297

Bridge 544 seen from road level. 2nd April 2006. OS: SP635297

Bridge 544 looking north. 2nd April 2006. OS: SP635297

Bridge 544. 2nd April 2006. OS: SP635297

Finmere. The standard GCR station house. 2nd April 2006. OS: SP629313

Finmere. Bridge 541 over the A4421. 2nd April 2006. OS: SP629313

Finmere. The bricked up station entrance between the two spans of bridge 541. 2nd April 2006. OS: SP629313

Finmere. The remains of the infilled station entrance staircase seen from platform level. Note the glazed bricks. 2nd April 2006. OS: SP629313

Finmere. Looking north towards the station site over the up span of bridge 541. 2nd April 2006. OS: SP629313

Finmere. A similar view over the down side span. 2nd April 2006. OS: SP629313

Finmere. Looking south from bridge 541. 2nd April 2006. OS: SP629313

Finmere. Part of the up platform face. The edging slabs have been removed. 2nd April 2006. OS: SP629313

Finmere. Bricks marking the site of one of the platform buildings. 2nd April 2006. OS: SP629313

Finmere. The northern end of the island platform. 2nd April 2006. OS: SP629313

Finmere. Looking north from the end of the platform. 2nd April 2006. OS: SP629313

Looking south from the site of bridge 538. 5th April 2006. OS:SP622329

The southern parapet of bridge 538. In the foreground is the A421 which has been diverted over the infilled cutting. 5th April 2006. OS:SP622329

Maker's mark on the parapet of bridge 538. 5th April 2006. OS:SP622329

Bridge 538 seen from the abandoned roadway. 5th April 2006. OS:SP622329

Looking north from bridge 538. 5th April 2006. OS:SP622329

Looking south towards Finmere from bridge 537 at Mixbury. (Photo courtesy of Matthew Baker). OS: SP618338

Bridge 537 at Mixbury from road level. (Photo courtesy of Matthew Baker). OS: SP618338

Bridge 537 looking north. (Photo courtesy of Matthew Baker). OS: SP618338

Closer view of bridge 537. (Photo courtesy of Matthew Baker). OS: SP618338

The view south towards Finmere from bridge 535. (Photo courtesy of Matthew Baker). OS: SP612346

The south side of bridge 535, buried almost up to the crown of the arch. (Photo courtesy of Matthew Baker). OS: SP612346

Looking towards bridge 535 from the northern side. (Photo courtesy of Matthew Baker). OS: SP612346

The trackbed looking north towards Brackley from near bridge 535. (Photo courtesy of Matthew Baker). OS: SP612346

Bridge 534 over the cutting at Mixbury, looking south. (Photo courtesy of Matthew Baker). OS: SP609349

Accomodation underbridge 533 seen from the eastern side. (Photo courtesy of Matthew Baker). OS: SP607353

Bridge 532 carrying the line over the former LNWR Banbury to Verney Junction line. (Photo courtesy of Matthew Baker). OS: SP606354

Looking south from the site of bridge 528 on the Brackley - Buckingham road. The cutting has been infillled. 5th April 2006. OS:SP598367

The south parapet of bridge 528. The Buckingham - Brackley road has been diverted over the infilled cutting. 5th April 2006. OS:SP598367

Just the very top of the arch remains visible beneath the south parapet of bridge 528. 5th April 2006. OS:SP598367

Bridge 528 seen from the abandoned roadway. 5th April 2006. OS:SP598367

Stonework from the demolished north parapet of bridge 528. 5th April 2006. OS:SP598367

Looking north from the site of bridge 528. The cutting on this side of the bridge has also been infilled. 5th April 2006. OS:SP598367

Along the top of the former cutting north of bridge 528 the original boundary fence survives. 5th April 2006. OS:SP597368

At the end of the infilled cutting the trackbed resumes on an embankment leading to Brackley viaduct. 5th April 2006. OS:SP597368

Looking towards the site of Brackley viaduct from the southern approach embankment. 5th April 2006. OS:SP596369

Looking north across the gap where Brackley viaduct once was. 5th April 2006. OS:SP596370

Brackley Central. The main building seen from the forecourt. 5th April 2006. OS: SP589373

Brackley Central. The main building seen from the former platform area. 5th April 2006. OS: SP589373

Brackley Central. The truncated footbridge (bridge 525A). 5th April 2006. OS: SP589373

Brackley Central. Window detail on the main building. 5th April 2006. OS: SP589373

Brackley Central. Main building detail. 5th April 2006. OS: SP589373

Brackley Central. General view of the station site looking north. Bridge 525 beyond the station has been removed and replaced with an embankment. 5th April 2006. OS: SP589373

Brackley Central. A postcard showing the station in its early years. (Picture courtesy of John Law).

Brackley Central. Glimpse of the station house. 5th April 2006. OS: SP589373

Road underbridge 523 at Radstone, north of Brackley. OS: SP591403. (Photo courtesy of Matthew Baker).

Bridge 523 over a public road at Radstone. 6th May 2007. (Picture courtesy of Matt Baker). OS: SP590402

Another view of bridge 523. 6th May 2007. (Picture courtesy of Matt Baker). OS: SP590402

Looking south over bridge 523. 6th May 2007. (Picture courtesy of Matt Baker). OS: SP590402

The west side parapet of occupation underbridge 522. 6th May 2007. (Picture courtesy of Matt Baker). OS: SP590403

Bridge 521 at Radstone, looking south towards Brackley. 6th May 2007. (Picture courtesy of Matt Baker). OS: SP590406

Looking north towards bridge 518 and Helmdon station from bridge 519. 15th August 2005. (Picture courtesy of Greg Scott). OS: SP587426

Looking south from bridge 518 at Helmdon. 15th August 2005. (Picture courtesy of Greg Scott). OS: SP586430

Bridge 518 at Helmdon with the station site beyond. 15th August 2005. (Picture courtesy of Greg Scott). OS: SP586430

The face of the down platform at Helmdon. 15th August 2005. (Photo courtesy of Greg Scott). OS: SP586430

P Way hut north of Helmdon Viaduct. 15th August 2005. (Photo courtesy of Greg Scott).

The western side of bridge 517 which passes under the trackbed between Helmdon station and the viaduct. (Photo courtesy of Matthew Baker). OS: SP584435

Helmdon Viaduct (bridge 516). 15th August 2005. (Photo courtesy of Greg Scott).

Looking across Helmdon Viaduct towards Woodford Halse. 15th August 2005. (Photo courtesy of Greg Scott).

Looking north towards bridge 515 at Helmdon. 15th August 2005. (Picture courtesy of Greg Scott). OS: SP579442

Looking south from bridge 515. (Photo courtesy of Matthew Baker). OS: SP578444

Looking north from bridge 515. (Photo courtesy of Matthew Baker). OS: SP578444

View south towards Helmdon from bridge 510. (Photo courtesy of Matthew Baker). OS: SP566472

Bridge 510 which carries Banbury Lane over the line. (Photo courtesy of Matthew Baker). OS: SP566472

Bridge 510 from road level. (Photo courtesy of Matthew Baker). OS: SP566472

Looking north towards Woodford from bridge 510 (Banbury Lane) near Moreton Pinkney. 15th August 2005. (Picture courtesy of Greg Scott). OS: SP566472

Trackbed looking towards Helmdon from the site of bridge 499 which carried the SMJ line. 30th September 2005. (Picture courtesy of Greg Scott). OS: SP542516

The Towcester side abutment of the SMJ bridge (499). 30th September 2005. (Photo courtesy of Greg Scott). OS: SP542516