a trumpet interchange. The road passes northeast through Nelson, before passing over an arm of the Kootenay Lake, and traveling eastward along the arm of the lake. The Loop designation transfers to the Kootenay Lake Ferry at the intersection of BC 3A and BC 31. The ferry is approximately in length, and connects the loop to the eastern shore of the lake. After crossing the lake, BC 3A continues eastward, passing several small buildings. The road passes through Crawford Bay, before bending south and traveling along one of the arms of the lake. While traveling along the lakeshore, the highway passes through the community of Gray Creek, and passes west of Lockhart Creek Provincial Park. The roadway passes along Duck lake, before intersecting several small roads. The road enters Creston, where the Loop's designation transfers to British Columbia Highway 21. The highway continues south, through Creston, passing numerous buildings which make up a portion of the community. The highway proceeds southward, running parallel to a large river, continuing to the Canada–US border, where the BC 21 designation terminates. The Loop reenters the United States, and the designation transfers to Idaho State Highway 1. Idaho The highway proceeds southeast, through the community of Porthill, before bending slightly northeastward. The road bends back southeast, and proceeds through rural area, before reaching an intersection with U.S. Route 95. The road proceeds southward, through rural area, occasionally intersecting a small road. After continuing southward, the highway intersects U.S. Route 2, which continues concurrently with the highway. The road proceeds south, crossing over the Kootenai River, before entering the community of Bonners Ferry. The roadway continues southeast, intersecting several small roads, and passing several buildings. The route proceeds southeast, intersecting several small roads, and passing west of the Kaniksu National Forest. The road proceeds south, entering the community of Sandpoint, and reaching an interchange with Idaho State Highway 200, where U.S. Route 95 splits off from the highway. The roadway continues westward, traveling parallel to the Pend Oreille River, and intersecting the occasional small road. It enters the community of Priest River, and passes the Priest River Municipal Airport. The highway intersects Idaho State Highway 57, before continuing west out of the town. The highway continues eastward, crossing over the Pend Oreille River, and reaching the Washington-Idaho state line, where the Loop begins again. Major intersections Gallery References Further reading External links On the FHWA