Speed checks do appear and penalties can be severe. Tolls: Covered by CHF 40 annual motorway toll sticker. Route details The A13 starts in St. Margrethen, Canton of St. Gallen right after the A1. Afterwards, it crosses through the entire Rhine Valley, connects along the border with Austria and Liechtenstein, towards Sargans, where A3 joins the A13. The highway then heads to Chur, the capital of Grisons, and turns southwards at Reichenau, where one can divert to drive along the Alps on the main road to Flims-Disentis-Andermatt-Brig (summer only), whereas A13 leads to Thusis (about up). From Thusis the A13 climbs an altitude difference of some 1000 metres to the long San Bernardino Tunnel at around . After the tunnel the road is marked by many galleries and strong avalanche-control curves back down into the Valle Mesolcina, using two long bridges to allow wide turns in this steep valley. At Soazza, shortly after Mesocco, the street again becomes a highway. The A13 continues downhill and joins, shortly before the Ticino capital Bellinzona, merging with A2 at an altitude of . Between Ascona and a roundabout south of Gaggiole in the Canton of Ticino, A13 is extended as the N13 highway; however, it is indicated by the crossed-out highway signs that Switzerland motorway sticker on this route is not necessary. Locarno is bypassed with the long Mappo–Morettina Tunnel. In this tunnel, there is one lane for each direction. Serious accidents Originally, a largely non-divided section of the expressway from Sargans to the north has long been regarded as a particularly dangerous stretch: time and again, it experienced severe front-end collisions. In the period from 1979 to 2002, 96 people died on the A13, five times more than usual in Switzerland's highways. On 16 September 2006, a fire broke out in the Viamala Tunnel, after a head-on collision between a tour bus and a car, which killed nine people. Involved in the collision was a second passenger car. At least four other vehicles were affected. Relocation of heavy traffic on the rail transit As a major transit route, shifting traffic from the A13 is a major concern. For the future, the introduction of an Alpentransitbörse is being discussed. Junction list Notes References "Die Schweitzer Autobahnen", Autobahnen.ch, 2009, web: Autobahnen.ch (with sub-webpage for A13). More sources in "Motorways of Switzerland". External links Autobahn A13 (Website of the Service des Autoroutes du canton de