Which statements about signs K3 and K4 are correct according to the book? (multiple answers possible)

K4 can show interlocal destinations, route numbers and European main routes

K3 points to a service area, with a name and facility symbols

K3 is the high decision sign, K4 points to a service area

K4 is the high decision sign with lane and turn-off panels

Explanation

False — trap: sign numbers swapped. K4 is the high decision sign; K3 points to a service area (Book p.77).