Here are directions for getting to DTU by car from the airport.
See directions for getting to DTU from Copenhagen here
From the airport:
From Ellehammersvej (by the airport) in the direction of Øresundsmotorvejen (E20)
Keep on your right on Ellehammersvej to get on highway Øresundsmotorvejen (E20)
Turn off the highway and turn right at exit 18 Tårnby
Turn left at the roundabout at Englandsvej
Later turn left at Vejlands allé
Turn right at Røde Mellemvej
Continue straight at Amagerfælledvej
Turn left at Amager Boulevard
Continue straight at Langebro
Continue straight at H.C. Andersens Boulevard
Continue straight at Gyldenløvesgade
Turn right at Nørre Søgade
Continue straight at Søtorvet
Turn left at Fredensbro
Continue straight at Tagensvej
Turn right at Nørre Allé
Continue straight at Lyngbyvej
Continue straight at Helsingørmotorvejen (19)
Keep on your left at Helsingørmotorvejen (19)
Keep on your right at Helsingørmotorvejen (19)
Continue straight at Helsingørmotorvejen (E47/E55)
Turn off the highway at the exit 16 Lyngby C (E47/E55) and turn right
Turn right at Klampenborgvej
Turn right at Lundtoftegårdsvej
Turn left at Anker Engelunds Vej (the main building no. 101 is on your right side)