1995 Duewag tram 2329 scurries away from the camera at Barbarossaplatz and heads for the city centre subway

A route 16 service bound for Surth on line 16 emerges from the city centre subway at Barbarossaplatz

A twin Standtbahn set negotiates reserved heavy-rail style track at Barbarossaplatz

The rear of 1996 Bombardier tram 4073 on route 12 duties towards Merkenich pausing at Barbarossaplatz

Classic Duewag 6405, in use as a works car, passes Barbarossaplatz

Another view of 6405 at Barbarossaplatz while employed on 'Sonderzug' or 'Special Tram' duties

Tram 6405 swings right at Barbarossaplatz - while engaged on 'Gleispflege' or 'track care' duties

Stadtbahn tram calls at platform 2 at Barbarossaplatz interchange with a route 15 working to Ubierring

Stadtbahn vehicle 2308 trails a route 15 working to Chorweiler at Barbarossaplatz

Stadtbahn trams pass at the complex junction to be found in the street at Barbarossaplatz

Stadtbahn cars meet at Barbarossaplatz - a maze of track in the middle of a busy road junction!

1976 Duewag stadtbahn 2016 and sister tram cross the junction at Barbarossaplatz with a route 15 working to Chorweiler

1996 Bombardier tram 4042 arrives at Barbarossaplatz with a route 12 working to Zollstock. These trams come from the same batch as those operating in Croydon, England.

A pair of trams trailed by 4019 depart from platform 2 at Barbarossaplatz

A pair of Stadtbahn cars arrive at platform 3 at Barbarossaplatz after traversing the city centre subway with a route 18 working to Bruhl. Note the route board for passengers waiting on platform 4.

Passing Neumarkt with a 'Sonderzug' special working is Stadtbahn vehicle 2332 leading a sister car in a bright yellow advertising livery

An E1 Stadtbahn service towards Deutz arrives at Neumarkt

Tram and stadtbahn services pass at the street-level platforms at Neumarkt - a stop also served by the underground city centre stadtbahn subway

Scurrying away from Severinstrasse is a Holweide bound Stadtbahn car employed on route 3 duties

A smart stadtbahn car in advertising livery stops at Severinstrasse

A brace of Stadtbahn cars hurry away from Klettenbergpark along a wooded avenue

Bruhl bound on route 18 is stadtbahn tram 2204 leading a sister car along an attractive tree lined avenue on the approach to Klettenbergpark

1987 Duewag tram 2204 arrives at Klettenbergpark in the Koln suburbs

A twin Stadtbahn set hurry away from Bruhl Mitte en-route to Koln Thielenbruch on route 18

A Bonn Hauptbahnhof bound route 18 service arrives at Bruhl Mitte with tram 2329 leading

A twin stadtbahn set rests on the Ubierring turning circle prior to taking up a route 15 working to Chorweiler

1995 Duewag 2308 leading a sister unit prepares to enter the Ubierring turning circle after working a route 15 service

About to turn at Ubierring is 2002 Bombardier tram 5105 and sister vehicle after terminating with a route 15 working

1984 Duewag 2122 leads a sister stadtbahn tram as they prepare to enter the turning circle at Ubierring

A classic Duewag tram clatters across the complex junction at Barbarossaplatz in central Koln

Classic 1968 Duewag 3209 is seen on the turning circle at Ubierring. These trams disappeared from Koln street in July 2006.

Duewag 3209 on route 6 duties rests at Ubierring

Another view of 1968 vintage Duewag tram 3209 on the Ubierring turning circle during the morning peak

3209 loads passengers at Ubierring at the start of a route 6 journey

Classic 1968 Duewag tram 3235 en-route to Ubierring passes stadtbahn tram 2214 in the city centre

3235 en-route to Ubierring with an E6 service. These 1968 built Duewag trams were withdrawn in July 2006 - just 4 months after these pictures.

An E6 working to Longerich hurries across a city centre road

3204 is seen inbound to Ubierring in the city centre

The front end of classic Duewag 3235

Just four months service left - classic Duewag 3235 calls at Barbarossaplatz at 8.12am while en-route to Longerich on route E6

3235 scurries away from the camera