Take the A9 motorway in the direction of Ingolstadt and leave the motorway at exit 61-Ingolstadt-Nord in the direction of Eichstätt. After 350m take the B16a and follow the road for about 2 km. Then drive onto the Goethestraße / B13 and after 350 m turn right onto the Östliche Ringstraße / B13. Follow the B13 for 2 km and then turn right onto Neuburger Straße. It is 1.9 km to a roundabout on Westpark Ingolstadt. At the roundabout take the second exit (Am Westpark), the BTA building is on the left.
By public transport: From Ingolstadt main station (bus stop / city entrance at the main entrance) take bus number 16 to Klinikum Ingolstadt. Get off at the station Audi-Ring / Am Westpark. The timetable of the bus line 16 can be found here. The line network plans 2016 of the transport company Ingolstadt can be found here.