06 :: A full

Tim Wachowski bought a hotel in Sonnstein. Connect him and Sonnstein to Kerststadt, to the business district as well as at the airport.

Have a route that connects the following stops: (See list below).
- Airport
- Sonnstein's main square
- Sonnstein (min 4 stops)
- Activity zone (min 4 stops)
- Kerststadt (min 4 stops)

Route with a CNG bus:
Attach level 7 at all bus stops in Sonnstein: (Only stops flashing purple).

Reward: Advertising for air quality.