Test trains (5) : 73/9

Network Rail operates a number of locomotives including a couple of re-engineered (and engined) Class 73s, 73 952 is seen here at Kidderminster SVR.

Test trains (4) : DBSO

While some test trains are top and tailed with locos Network Rail also has a number of Driving Brake Standard Opens as shown here.

Test trains (3) : New Measurement Train

The New Measurement Train uses 2 former HST power cars, seen here led by 43 013.

Test trains (2) : Track Recording Unit

950 001 is one of NR's track recording trains, its based on the Class 150 DMU so can go on lines where a locomotive hauled train could cause problems.

Test trains (1) : Overhead Line Inspection

This week's theme are the yellow painted test trains run by Network Rail that help monitor the condition of the network and make sure everything is as it should be!

Starting with an overhead line inspection train heading through Derby top and tailed by 73 952 and (as seen here) 73 951.

Chiltern (5) : Princes Risborough

168 002 at Princes Risborough.

Chiltern (4) : Chalfont & Latimer

168 109 heading to London Marylebone.

Chiltern (3) : Birmingham Moor St

Mixture of Chiltern motive power with 165 014 and 68 011.

Chiltern (2) : Lapworth

165 014 at Lapworth.

Chiltern (1) : Leamington Spa

A week of photos of Chiltern Railways trains, starting with 165 007 at Leamington Spa.

Signalbox (10) : Liverpool Street Tube

A disused signalbox (and Grade II listed) at Liverpool Street tube station. Its one of 3 listed signalboxes on the London Underground (the first in this series Chesham being one of the others).

Signalbox (9) : Worcester Shrub Hill

Responsible for a complicated station and MPD arrangement.

Signalbox (8) : Hereford

Viewed here from the station platform.

Signalbox (7) : Arley

One of a number of delightful boxes on the Severn Valley Railway.

Signalbox (6) : Birmingham New Street

A second week of signalbox photos, starting with the amazing brutalist structure at New Street.

Signalbox (5) : Woking

A signalbox theme week would be incomplete without the amazing Art Deco styled box at Woking!

Signalbox (4) : Chinnor

A beautifully preserved box, and without it the CPRR could not operate!

Signalbox (3) : Harrogate North

A more modern affair.

Signalbox (2) : Ledbury

Ledbury box, next to the station.

Signalbox (1) : Chesham

This week's theme is the signalbox, both preserved (active or not) and on National Rail metals. Starting with this delightful preserved box at Chesham.

WCML (5) : Crewe

350 110 at Crewe.

WCML (4) : Nuneaton

An unidentified Class 66 takes a freight through the station.