Question: What highway is the closest town to Montague Island located on?

full_context: Document 1: Eden, New South Wales: Eden is a coastal town in the South Coast region of New South Wales, Australia. The town is 478 km south of the state capital Sydney and is the most southerly town in New South Wales, located between Nullica Bay to the south and Calle Calle Bay, the northern reach of Twofold Bay, and built on undulating land adjacent to the third-deepest natural harbour in the southern hemisphere, and Snug Cove on its western boundary. At the 2016 census , Eden had a population of 3,151.
Document 2: Port Macquarie: Port Macquarie is a coastal town in the local government area of Port Macquarie-Hastings. It is located on the Mid North Coast of New South Wales, Australia, about 390 km north of Sydney, and 570 km south of Brisbane. The town is located on the Tasman Sea coast, at the mouth of the Hastings River, and at the eastern end of the Oxley Highway (B56). The town with its suburbs had a population of 45,698 in June 2016.
Document 3: Torrens Island Conservation Park: Torrens Island Conservation Park is a protected area located on Torrens Island in South Australia about 3.9 km north-northeast of Port Adelaide. The conservation park covers the majority of Torrens Island down to low water with exception to the land associated with the former quarantine station and the Torrens Island Power Station. The east side of the conservation park immediately adjoins the Barker Inlet-St Kilda Aquatic Reserve. The conservation park is reported as protecting ‘areas of mangrove forest, samphire shrubland and sand dune systems home to vulnerable and threatened species such as the Australasian bittern, the fairy tern and the white-bellied sea eagle’. The conservation park is classified as an IUCN Category III protected area.
Document 4: Moruya, New South Wales: Moruya is a town in New South Wales, Australia, situated on the Moruya River, on the far south coast situated on the Princes Highway 305 km south of Sydney and 175 km from Canberra. At the 2011 census, Moruya had a population of 2,531 people. The town relies predominantly on agriculture, aquaculture, and tourism. Moruya is administered by the Eurobodalla Shire council and the shire chambers are located in the town.
Document 5: Narooma, New South Wales: Narooma is a town in the Australian state of New South Wales on the far south coast. The town is on the Princes Highway and the name Narooma is said to be derived from the Aboriginal word meaning ‘clear blue waters’. At the 2016 census , Narooma had a population of 2,605 people.
Document 6: New South Wales: New South Wales (abbreviated as NSW) is a state on the east coast of :Australia. It borders Queensland to the north, Victoria to the south, and South Australia to the west. Its coast borders the Tasman Sea to the east. The Australian Capital Territory is an enclave within the state. New South Wales' state capital is Sydney, which is also Australia's most populous city. In March 2014 , the estimated population of New South Wales was 7.5 million, making it Australia's most populous state. Just under two-thirds of the state's population, 4.67 million, live in the Greater Sydney area. Inhabitants of New South Wales are referred to as "New South Welshmen".
Document 7: Kangaroo River Nature Reserve: The Kangaroo River Nature Reserve, part of the Kangaroo Valley Group of Nature Reserves, is a protected nature reserve that is located on the floor of the Kangaroo Valley in the Southern Highlands and South Coast regions of New South Wales in eastern Australia. The reserve is situated approximately 150 km south of Sydney, 50 km southwest of Wollongong and 16 km northwest of Nowra . The reserve has a protective covenant placed upon it with purpose to ensure the protection of the natural heritage of this area. National parks in the area include the Morton National Park and the Budderoo National Park. Other nature reserves in the area include the Barren Grounds Nature Reserve, and the Cambewarra Range, Barrengarry and Rodway nature reservesthe latter three part of the Kangaroo Valley Group of Nature Reserves.
Document 8: City of Shoalhaven: The City of Shoalhaven is a local government area in the south-eastern coastal region of New South Wales, Australia. The area is approximately 200 km south of Sydney. The area is located adjacent to the "Tasman Sea". The Princes Highway passes through the area and the South Coast railway line traverses the northern section of the area and terminates at Bomaderry. At the 2016 census , the population of the City of Shoalhaven was 99,650.
Document 9: Montague Island Light: Montague Island Light is an active lighthouse on Montague Island, an island 9 km offshore from Narooma on the south coast of New South Wales, Australia. The lighthouse is located at the highest point of the island.
Document 10: Montague Island (Australia): Montague Island is a continental island contained within the Montague Island Nature Reserve, a protected nature reserve that is located offshore from the South Coast region of New South Wales, in eastern Australia. The nearest town located onshore from the 81 ha reserve and island is Narooma , situated approximately 9 km to the northwest.
Document 11: Merimbula: Merimbula Merimbula is a town on the Merimbula Lake, located on the Far South Coast or Sapphire Coast of New South Wales, Australia. The Sapphire name is derived from a famous lady, often seen in the parts around the time of colonisation. Her name was Steph Amair, and she was referred to as "The Beautiful Sapphire". At the 2016 census , the population was 3,544.
Document 12: Brook Islands National Park: The Brook Islands National Park is a national park in Cassowary Coast Region, Queensland, Australia, 1246 km northwest of Brisbane, with an area of 0.9 km. It was established in 1994 and comprises three islands - North, Tween and Middle - which lie off the coast 7 km north-east of Cape Richards on Hinchinbrook Island and 30 km east of the nearest mainland town of Cardwell. The fourth island of the Brooks group, South Island, is not part of the national park but is protected by the Great Barrier Reef Marine Park Authority. Public access to the three islands in the national park is prohibited in order to protect breeding birds, especially the Torresian imperial-pigeon. The islands have no roads, walking tracks or other facilities. Popular activities in the waters around the islands are boating, snorkelling and fishing. The islands are managed by the Queensland Parks and Wildlife Service. The Park's IUCN category is II.
Document 13: Maria Island: Maria Island is a mountainous island located in the Tasman Sea, off the east coast of Tasmania, Australia. The 115.5 km2 island is contained within the Maria Island National Park, which includes a marine area of 18.78 km2 off the island's northwest coast. The island is about 20 km in length from north to south and, at its widest, is about 13 km west to east. At its closest point, Point Lesueur, the island lies approximately 4 km off the east coast of Tasmania.
Document 14: Taree: Taree is a town on the Mid North Coast, New South Wales, Australia. Taree and nearby Cundletown were settled in 1831 by William Wynter. Since then Taree has grown to a population of around 26,400 and is the centre of a significant agricultural district. It is 16 km from the Tasman Sea coast, and 317 km north of Sydney. Taree can be reached by train via the North Coast Railway, and by the Pacific Highway.
Document 15: Mud Islands Game Reserve: Mud Islands Game Reserve is a protected area in South Australia covering ten islands at the southern side of Lake Alexandrina about 19 km south-east of Goolwa. The game reserve is described as providing ‘an ideal habitat for water birds, particularly waterfowl’ and that ‘duck shooting is permitted during open season.’ The game reserve is classified as an IUCN Category VI protected area. Since 2000, the game reserve has been located within the boundaries of the gazetted locality, Coorong.
ground_truth: Princes Highway