European route E45 in Sweden that it had several numbers. From south they were 45 (Göteborg-Grums), 234 (Grums-Mora), 81 (Mora-Östersund) and 88 (Östersund-Karesuando). Before the year 1985 the road Östersund-Karesuando had several numbers, 88, 343, 97, 98, 395 and 396. Before year 1962 the road Göteborg-Grums was called road 7. European route E45 in Sweden European route E45 in Sweden, previously Swedish national road 45, is a national road and the longest road in Sweden, with a length of 1,690 km (1,050 mi). It is one of the longest national roads in Europe. It covers the stretch between Gothenburg and Karesuando via Trollhättan, Vänersborg, Mellerud,
Siljan Ring Ordovician and Silurian sedimentary rocks deformed by the impact are rich in fossils. The area around the Siljan Ring has been the site of recent prospecting for oil and natural gas, though none of the projects has so far been commercially viable. There are large deposits of lead and zinc near Boda at the eastern edge of the Ring. There are several lakes in the vicinity, the largest of which is Siljan on the south-southwestern edge of the crater, with the smaller Lake Orsa to the west and Skattungen and Ore on the northeastern margin. The Siljan Ring consists of