 State Highway 168 begins at an at @-@ grade intersection with SH 87 , or Ferry Road , on the eastern portion of Galveston Island . The highway runs eastward for a short distance , being bordered by an apartment complex and a small gas station . After bending northward , the road enters rural areas , while following the course of a small , man @-@ made drainage creek . The roadway continues northwest , bordered by marsh and brushland to the east and several resorts and apartment complexes to the west . It bends northeast and proceeds past a small portion of a U.S. Coast Guard station . The route splits away from the creek and continues past Corps Woods Nature Sanctuary , a major birdwatching destination . The highway intersects a small access road to the Coast Guard station , before continuing northward to its northern terminus , the main entrance gate to the Coast Guard facility . A small road continues inside the station from the gate . 
