By car from Stockholm:
It takes 1.5 hours.
1) take E4 from the airport towards Stockholm. After approximately 15-20km, follow signs for E18 towards Oslo.
2) Stay on E18 until junction 125, signed Strömsholm
3) Follow 252 south to Strömsholm. Turn right at sign for Djursjukhus (animal hospital) and follow the signs until you get to the hospital. Signs for the course venue will be posted.
If you do not have a car, there are two alternative ways to get to the hospital:
1) Airport bus to Västerås and then local bus or train to Kolbäck. You can then get a taxi to your hotel (Taxi Exact +46 220 12345). Alternatively, take taxi from Västerås directly to your hotel. This latter option will cost approximately 500 Swedish Kroner.
2) Take train from Arlanda airport into Stockholm, and then catch train to Västerås. As above to get from Västerås to Kolbäck
Bus timetable from the airport to Västerås.
Link to the train/bus timetable from Västerås to Kolbäck:
http://www.sj.se/purchase/booksearchtravel/findTravels.form
Where it says VL under the departure time, it refers to the bus rather than the train.
Link to the train timetable from Stockholm to Västerås:
http://www.sj.se/purchase/booksearchtravel/findTravels.form