The Cologne Stadtbahn is the main light rail system in Cologne, Germany, and a core part of public transport in the city and the wider Cologne Bonn Region. It combines elements of trams, underground rail, and interurban rail, serving Cologne as well as places such as Bergisch Gladbach, Bonn, Bornheim, Brühl, Frechen, Hürth, Leverkusen-Schlebusch, and Wesseling. Operated by Kölner Verkehrsbetriebe (KVB), the system is part of the Verkehrsverbund Rhein-Sieg (VRS) fare network and includes 236 stations across 199 km (123.7 miles) of track, with 42 underground stations in 28 km (17.4 miles) of tunnels. Rather than replacing the old tramway outright, the Stadtbahn grew from it, which is why the network mixes tunnel sections in the center with surface and regional-style routes beyond it.
| Key | Information |
|---|---|
| System type | Light rail system combining tramway, underground rail, and interurban rail features |
| Operator | Kölner Verkehrsbetriebe (KVB) |
| Fare network | Verkehrsverbund Rhein-Sieg (VRS) |
| Network size | 236 stations and 199 km (123.7 miles) of track |
| Underground section | 42 underground stations in 28 km (17.4 miles) of tunnels |
| Regional links | Includes connections to Bonn on lines 16 and 18 |
| System character | Developed from Cologne’s former tram network |
Cologne Stadtbahn Map
Map of Cologne Stadtbahn showing different lines. Click on the map to enlarge it or download the Cologne Stadtbahn map in PDF format.
Lines and Stations
The Cologne Stadtbahn system has 11 lines and 236 stations spread across 199 km (123.7 miles) of track. Of these stations, 42 are underground. Lines 16 and 18 extend beyond Cologne and connect with the Bonn Stadtbahn, forming part of the wider Stadtbahn Rhein-Sieg system.
In the city center, several routes share tracks and platforms, so service can feel very frequent. Some central stations see up to 30 trains per hour in each direction. That overlap is one reason the system works well for everyday transport across Cologne.
Low-floor lines
| Station | Details |
|---|---|
| Line 1 | Weiden West – Junkersdorf – Neumarkt – Bf Deutz – Kalk Post – Kalk Kapelle – Brück – Refrath – Bensberg. During peak hours, the Junkersdorf–Brück section runs every 5 minutes. |
| Line 3 | Görlinger-Zentrum – Mengenich – Bocklemünd – Bickendorf – Bf Ehrenfeld – Bf West – Neumarkt – Bf Deutz – Buchheim – Holweide – Thielenbruch. Off-peak service ends at Holweide. |
| Line 5 | Sparkasse Am Butzweilerhof – Ossendorf – Neuehrenfeld – Bf West – Dom/Hbf – Rathaus – Heumarkt. |
| Line 7 | Frechen – Marsdorf – Braunsfeld – Neumarkt – Poll – Porz – Zündorf. The Frechen–Braunsfeld section is usually served every 20 minutes except during peak hours. |
| Line 9 | Sülz – Universität – Bf Süd – Neumarkt – Bf Deutz – Kalk Post – Kalk Kapelle – Ostheim – Königsforst. The Universität–Bf Deutz section runs every 5 minutes except during school holidays. |
| Line 12 | Merkenich – Niehl – Ebertplatz – Hansaring – Ringe – Zollstock. Merkenich–Niehl is served every 20 minutes from 9:00 am to 1:00 pm. |
| Line 13 | Sülzgürtel – Aachener Str. – Bf Ehrenfeld – Gürtel – Bf Mülheim – Buchheim – Holweide. |
| Line 15 | Chorweiler – Longerich – Ebertplatz – Hansaring – Ringe – Ubierring. During peak hours, the Longerich–Ubierring section runs every 5 minutes. |
High-floor lines
| Station | Details |
|---|---|
| Line 16 | Niehl, Sebastianstraße – Dom/Hbf – Neumarkt – Ubierring – Sürth – Wesseling – Bonn Hbf – Bonn-Bad Godesberg. |
| Line 18 | Thielenbruch – Buchheim – Bf Mülheim – Dom/Hbf – Neumarkt – Klettenberg – Brühl – Bonn Hbf. |
Lines 16 and 18 are the longest route corridors in the network and provide direct links between Cologne and Bonn. Because tracks and stations are shared on busy corridors, the Stadtbahn operates as one interconnected system rather than a collection of separate lines.
Operating Schedule and Frequency
The Cologne Stadtbahn operating hours vary by day and line, but the daytime pattern is straightforward. On weekdays, trains generally run every 5 to 10 minutes from 6:00 am to 8:00 pm. After about 1:00 am, there is little or no service until around 4:30 am, when trains start again.
| Service detail | Timings |
|---|---|
| Weekday daytime frequency | Every 5 to 10 minutes from 6:00 am to 8:00 pm |
| Late-night and early-morning frequency | Usually every 15 minutes |
| Sunday frequency | Usually every 15 minutes |
| Weekend night service | Usually hourly |
| Overnight gap | Little or no service after about 1:00 am until around 4:30 am |
| Central station frequency on shared corridors | Up to 30 trains per hour in each direction |
Opening hours, working hours, and train schedule details also depend on the route. Some sections get extra peak service with 5-minute frequency, while others switch to 20-minute intervals or run only in selected weekday peak periods. If you need exact timings today, the current schedule today, or the last train and closing time for a particular stop, it is worth checking the route timetable for your line before you travel.
In practical terms, the system offers dense daytime service and lighter night service. For most trips across central Cologne, the running time between trains is short enough that transfers are easy.
Fare Structure and Ticketing
The Cologne Stadtbahn uses a distance-based fare system. Your ticket price depends on the zones and price category for the trip, with categories including 1a, 1b, 2a, 2b, and higher levels up to 7. In inner Cologne, fare types are also marked by color-coded zones: trips within one zone are labeled a, while trips across several zones are labeled b.
For occasional travel, ticket options include single tickets, 4-journey tickets, and 24-hour tickets. The 24-hour ticket can cover one person or up to five people for unlimited travel within the selected fare zone. Visitors can also use the KölnCard, available for 24 or 48 hours, again for either 1 person or up to 5 persons.
For regular travel, there are weekly and monthly tickets, plus flexible versions. Subscription tickets may offer discounts of up to 11%. Reduced-fare passengers can apply for a MobilPass, which may be issued together with a Cologne Pass or Bonn Card. When using MobilPass products, passengers should carry the ticket, the relevant pass or card, and an ID document.
Tickets can be bought in the app, through the Internet ticket shop, at KVB customer centers, from private sales offices, and from ticket machines at stops and on vehicles. Buying in the app can save up to 3%.
No exact fare, cost, or fare calculator values are provided in the source material, so only the fare structure and ticket types can be listed here. Likewise, no day pass price in euros and dollars is stated. If you need the current price, ticket cost, or fare calculator result for a specific route, check official KVB or VRS sales channels before travel.
| Ticket type | Use |
| Single ticket | One journey in the selected price category |
| 4-journey ticket | Four single trips, for one or more persons |
| 24-hour ticket | Unlimited travel for 24 hours in the selected fare zone |
| Weekly ticket | Valid from Monday to the first working day of the following month |
| Weekly FlexTicket | Seven consecutive days starting any day of the week |
| Monthly ticket | Valid from the first to the last day of the month |
| Monthly FlexTicket | 28 to 31 consecutive days starting on any day of the month |
| KölnCard | 24 or 48 hours, for 1 person or up to 5 persons |
Connectivity with Other Systems
The Stadtbahn is closely integrated with Cologne public transport and local transport more broadly. It connects with the KVB bus network, which has 48 lines across the city, and many bus stops sit near major Stadtbahn stations.
The S-Bahn is another major link in transportation in Cologne. This commuter rail network serves Cologne and surrounding towns as the southern part of the Rhine-Ruhr S-Bahn system. It includes six lines and 65 stations, with multiple transfer points to the Stadtbahn.
Another notable connection is the Kölner Seilbahn cable car across the Rhine. It links with Line 18 and bus line 140, although it has remained suspended since the accident on 30 July 2017 and is still under review.
Airport connectivity is handled through Bahnhof Köln/Bonn Flughafen, which opened in 2004. The station is served by ICE lines 10, 45, and 49, along with RE6, RE8, and S13, giving passengers an easy rail link to Köln Hauptbahnhof and from there to the Stadtbahn. There is also an airport bus station with links to major underground stations and the city tramway network.
- Bus network: 48 KVB lines
- S-Bahn: six lines and 65 stations, with multiple Stadtbahn connections
- Kölner Seilbahn: linked to Line 18 and bus line 140, currently suspended
- Airport rail station: ICE, regional rail, and S-Bahn connections via Köln Hauptbahnhof
Airport Connections
The Cologne Stadtbahn does not run directly to Cologne Bonn Airport, but the airport is well connected through the wider rail system. The key station is Bahnhof Köln/Bonn Flughafen, which opened in 2004 and offers direct rail service to Köln Hauptbahnhof.
From Cologne Central Station, passengers can transfer to the Stadtbahn network. Lines 16 and 18 are especially useful for trips between Cologne and Bonn and form part of the jointly operated Stadtbahn Rhein-Sieg system.
According to the source material, the airport station is served by S-Bahn, Regional Express, and Intercity-Express trains. A bus station at the airport also provides links to main underground stations and the city tram network.
For most travelers, the simplest route plan is airport to Köln Hauptbahnhof, then a transfer to the Stadtbahn.
Historical Background
The history of the Cologne Stadtbahn goes back to the first horsecar lines, which began operating in 1877. Several companies built up the early network, but none wanted to electrify it. Cologne bought the network on 1 January 1900, and by 1907 the horsecar lines had been electrified or replaced.
More lines followed up to 1912, including Vorortbahnen to villages outside the city. These outer routes often had segregated rights-of-way and operated more like railways than ordinary street trams.
After World War II, the dense tramway network in the city center was only partly rebuilt. Köln Hauptbahnhof was not immediately reconnected with key central places such as Neumarkt and Heumarkt. Postwar planning favored a more car-oriented city, some tram routes were replaced by bus services, and wider vehicles were desired for corridors where older narrow streets caused problems. The destruction of the Rhine bridges also forced a network rethink, and the Severins Bridge, completed in 1959, became an important piece of that new setup.
In 1956, the city council planned a new north-south tunnel through the center. It was not designed as a classic metro, but as an underground tramway with short stop spacing, small turning radii, and low-floor platforms. Construction of the first tunnel started in 1963 without guaranteed state or federal funding.
The first sections of the Innenstadt tunnel opened between 1968 and 1970. Later extensions generally involved moving existing surface tram routes underground rather than building a separate metro from scratch. That gradual approach explains why Cologne developed a Stadtbahn system instead of a conventional U-Bahn.
Expansion was helped by older suburban routes, especially on the right bank of the Rhine, because many already had reserved alignments. Cologne also had an advantage in using wider tram vehicles, which made the move to wider Stadtbahn trains easier.
Over time, the system shifted from mixed tram and Stadtbahn operation to a modern light rail system. Platform heights, train lengths, and route geometry were adjusted step by step. In 1985, the first section designed only for high-floor trains opened. The last trams left service in summer 2006, and since then the network has operated entirely as a Stadtbahn.
Important route projects included the Chorweiler extension in the 1970s, the east-west tunnel under the Cologne Ring, the Deutz and Kalk tunnels in the late 1970s and early 1980s, the full conversion of the Vorgebirgsbahn in 1986, and the Mülheim tunnel in 1997, the first Cologne tunnel built with a tunnel boring machine under buildings.
Some routes also shared tracks with interurban rail, especially toward Bonn. That mix of tramway, urban rail, and regional rail still defines the Cologne Stadtbahn today.
Future Expansions
The Cologne Stadtbahn expansion program includes projects under construction, in planning, and under discussion. The most advanced is the North-South Stadtbahn, intended to add new underground and surface links in the south of the city while also helping separate the high-floor and low-floor networks.
Current work includes a new 3 km (1.9 miles) tunnel, described as the first newly built line in Cologne since the original downtown tunnel opened in 1968. Once finished, it is expected to be used by lines 5, 16, and 17. The project should cut travel time on line 16 by about eight minutes, though full operation has been delayed by the consequences of the 2009 collapse near Severinstraße and is now expected later in the decade.
Another planned stage is the above-ground extension from Marktstraße along Bonner Straße through Bayenthal. This route is intended to improve service for Südstadt, Bayenthal, Marienburg, and Raderberg, while also shortening the trip from the A 555 area to the main station. According to the source material, construction began in January 2022 and is expected to finish at the end of 2025.
StadtBahn South is a separate proposal extending from Arnoldshöhe to Rondorf and Meschenich. It was first conceived as a fourth phase of the North-South project but is now planned independently. The first stage would reach the northern edge of Meschenich, with a later phase continuing farther south. It is also intended to serve the future development area of Rondorf Nord-West.
On the east-west axis, the city plans capacity improvements for line 1 by introducing 90 m (295.3 ft) trains instead of the current 60 m (196.9 ft) trains. That would increase capacity by 50 percent. Because longer trains need longer platforms, several solutions are being studied for the route between Weiden West and Bensberg, especially through the busy city-center section shared with lines 7 and 9.
For this east-west corridor, both a tunnel option and an above-ground option have been discussed. The tunnel would add new underground levels at Neumarkt and remove the current at-grade crossing there. The surface alternative would take space now used by cars and create wider bicycle paths along the route. The available material does not state a final decision.
Travel Tips
Cologne public transport is generally easy to use, even on a first visit. The KVB system covers Stadtbahn, trams, and bus services, with English information available on signs, ticket machines, and the official website.
If you want a practical starting point, begin at Köln Hauptbahnhof. It offers straightforward access to major lines and makes route planning simpler. The Stadtbahn is especially handy for getting around in a local, everyday way, since the system moves between tunnels, reserved alignments, and street-level sections.
For tickets, pay attention to fare zones and categories before boarding. If you stay within Cologne, the basic city tariff is often enough. Single tickets, day pass options, weekly tickets, and monthly passes are available. Ticket machines at many stops and on vehicles support English, and the KVB app or website can help with route timetable checks, train schedule information, and current schedule details.
During the day, frequency is usually very good, especially in the center where lines overlap. Late at night and on weekends, service is thinner, so checking opening times, timings today, or the last train for your route is a smart move.
For longer distances and outer districts, the Stadtbahn and bus network are usually the easiest choice. For shorter inner-city trips, walking and cycling also work well.
- Start at Köln Hauptbahnhof for easy transfers.
- Use the KVB app or website to check the timetable, route, and ticket options.
- Choose your ticket based on the zones you will cross.
- Expect the best frequency in the city center during the day.
- Check evening and weekend schedule details in advance.
Interesting Facts
The Cologne Stadtbahn is not a standard metro. It mixes tramway, underground railway, and interurban rail features, and in Cologne that even includes three lines licensed as heavy rail and usable by both freight trains and Stadtbahn vehicles.
Lines 16 and 18 connect Cologne with the Bonn Stadtbahn and are jointly operated by the transport authorities of both cities. Because of that shared operation, the combined network is sometimes called Stadtbahn Rhein-Sieg.
The system has deep roots. Its origins go back to 1877, Cologne took over the private network in 1900, and by 1907 the horsecar system had been electrified or replaced.
Cologne never built a classic U-Bahn. Instead, the first tunnels were planned as underground tram lines, and the network evolved gradually from the former tram system. That unusual path is a big part of the system’s identity.
The network includes 236 stations along 199 km (123.7 miles) of track, including 42 underground stations in 28 km (17.4 miles) of tunnels.
Another distinctive feature is the mix of high-floor and low-floor operation. Cologne converted the network gradually, and since summer 2006, no traditional trams have remained in service.
The system is operated by KVB and, together with Bonn operator SWB, forms part of the VRS fare network created in 1987.
Some stations still show traces of the network’s unusual development. In a few places, escalators were installed for platforms that were later meant to be raised, so they stop a few steps above platform level.
The airport station Bahnhof Köln/Bonn Flughafen, opened in 2004, links the city with ICE, regional rail, and S-Bahn services.
Passenger rules also stand out a bit: bicycles may be allowed on board at the discretion of KVB staff, dogs travel free of charge, and uniformed police from North Rhine-Westphalia and the Federal Border Guard can travel without a ticket.
Sightseeing via the Cologne Metro
The Cologne Stadtbahn makes sightseeing easy because many major attractions sit close to central stations and transfer points. For visitors using city transport, it is one of the simplest ways to move around the center.
Ludwig Museum is near the main railway station and can be reached via lines 16 and 18. It is known for its modern art collection and is named after the Ludwig couple, who helped finance the original building and donated 350 works of art.
Cologne Cathedral is one of the city’s most famous landmarks and a long-standing pilgrimage site. It is a World Heritage Site and can be reached by taking lines 16 or 18 to the main station and then walking a short distance.
The University of Cologne can be reached by taking line 9 to Hochschule station. The campus area is noted for its academic atmosphere, natural setting, and impressive architecture.
For visitors, that is really the strength of the system: a large share of Cologne’s best-known sights is easy to reach using the Stadtbahn route network.