 Route 43 leads north to Gurnee and south to Deerfield, while Route 176 leads east to Lake Bluff and west the same distance to Interstate 94 at Exit 16.Knollwood was served by the Mundelein Branch of the Chicago, North Shore and Milwaukee interurban railroad until its abandonment on January 21, 1963.Since then, Knollwood has not been served by passenger rail, though the Lake Bluff Metra Station is located nearby.