Business Areas

Mobility Planning Feasibility Studies Consulting PT Networks Active Modes Transport Infrastructure Planning Operation Mobility Hubs Civil Engineering Structures Vehicle Technology & Alternative Drives Fare and Pricing Studies Construction Supervision Research & Capacity Building

Planning and consulting company

for public transport and mobility

TTK is a Franco-German company specialising in transport and mobility planning.
Renowned for our international expertise in tramway, light rail, bus, active modes and shared mobility projects, we are convinced that mobility plays a key role in the development of territories.

We therefore support mobility stakeholders at every stage of their mobility projects, from the earliest stages (strategic plans, feasibility studies) through to infrastructure planning and construction supervision, and work with them to develop pragmatic, ambitious and sustainable mobility solutions.

Challenge us and let us contribute to your successful way ahead!

TTK is member of the following associations and organisations

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The company

We are TTK, experts in mobility

Jobs at TTK

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News all news

» Official handover of the outdoor facilities at the AVG bus depot West 2 in Karlsruhe!

13. Nov

Another milestone in the project: The outdoor facilities of the new bus depot with workshop for commercial vehicles of the Albtal-Verkehrs-Gesellschaft (AVG) were successfully completed on behalf of IBE Generalplanung.

» New light rail system for Pforzheim

21. Oct

One variant is clearly ahead!

» Commissioning of the new Babinière operations and maintenance centre in Nantes

07. Oct

TTK is very pleased with the successful operation of the site

Agenda Alle Termine

12. May 2026 — 14. May 2026

UITP training

UITP training on bus planning & scheduling

09. Jun 2026 — 11. Jun 2026

MOBCO 2026

TTK will be exhibiting at Mobco: the sustainable mobility event

References all references

Tramway Karlsruhe Nordstadt/Heide

Planning of a tramway route from the Karlsruhe inner city into the north “Nordstadt”

Tramway Karlsruhe Nordstadt/Heide

Planning of a tramway route from the Karlsruhe inner city into the north “Nordstadt”

Ulm/New-Ulm Tramway

Construction of a new branch from Ehinger Tor to Kuhberg

Extension of the tram Strasbourg - Kehl

Planning of the cross-border extension of tram line „D“ in addition to the feasibility study for Strasbourg

Optimisation of public transport services on the Münstertalbahn

Feasibility of supply improvements including detailed cost accounting

Re-opening Public Transport Nijmegen - Kleve

Feasibility study for the re-introduction of cross-border rail public transport between Nijmegen, Kleve and Weeze Air-port (Project Sintropher, Interreg)