Getting there & away
Frequent ICE train services go to Berlin (€39, one hour) and Hanover (€19, 30 minutes), the latter passing through Braunschweig (€11, 16 minutes). Regional trains are cheaper, especially to Braunschweig (€3.50, 24 minutes).
From Braunschweig, take the A2 east to the A39 north, which brings you right into town. Alternatively, take the B248 north to the A39.