... by plane:
From the airport Stuttgart you take the S-Bahn to get in about 40-50 minutes to Kornwestheim.
Follow the signs "S-Bahn" at the airport and take the S2 or the S3 to get to Stuttgart-Hauptbahnhof (main station).
There you change to S4 or S5 and arrive directly in Kornwestheim.
From station Kornwestheim a taxi will take you in some minutes to RTK.
... by train:
It is easy to reach the main station Stuttgart from all directions. There you follow the signs "S-Bahn".
By line S4 or S5 you will arrive in Kornwestheim in about 12 minutes.
From station Kornwestheim a TAXI will take you in some minutes to RTK.
... by car:
From the north:
Follow the motorway A81 (E41) until you reach the exit Stuttgart-Zuffenhausen.
Then take the B10 / B27 direction Ludwigsburg/Kornwestheim. You leave the B27 at exit Kornwestheim Süd and follow the signs "Gewerbegebiet Nord/West" (industrial area North/West) continuing on the B 27a. And direct after the tunnel direction "Gewerbegebiet-Kreidler".
After the entry Kornwestheim take the first road on the right and you find yourself in the industrial area Kreidler at RTK.
From the south:
No matter if you are coming from Munich or Karlsruhe follow the motorway A8 (E52) until you reach the motorway merging point Leonberg. There you change to the A81 (E41) direction Heilbronn. You leave the motorway at exit Stuttgart-Zuffenhausen and follow the B10 / B27 direction Ludwigsburg/Kornwestheim.
You leave the B27 at exit Kornwestheim Süd and follow the signs "Gewerbegebiet Nord/West" (industrial area North/West) continuing on the B 27a. And direct after the tunnel direction "Gewerbegebiet-Kreidler".
After the entry Kornwestheim take the first road on the right and you find yourself in the industrial area Kreidler at RTK.