Bristol Junction from Bristol Temple Meads is operated by South Western Railway, and there are scheduled coach links to most major UK cities. The M4 motorway connects the city on an east-west axis from London to West Wales, and the M5 is a north–south west axis from Birmingham to Exeter. The M49 motorway is a shortcut between the M5 in the south and the M4 Severn Crossing in the west, and the M32 is a spur from the M4 to the city centre. The Portway connects the M5 to the city centre, and was the most expensive road in Britain when
M4 (Istanbul Metro) weekends and during off-peak hours. M4 (Istanbul Metro) The M4, officially referred to as the M4 Kadıköy–Tavşantepe metro line (), is a , 19-station rapid transit line of the Istanbul Metro. Running between Kadıköy and Tavsantepe, it is currently the only rapid transit line operating on the Asian side of Istanbul. The M4 mostly runs under State road D100, parallel to the Istanbul-Ankara railway and is entirely underground. The M4 opened on 17 August 2012 with a large ceremony in Kadıköy, in which Prime Minister Recep Tayyip Erdoğan personally took part in. On 29 October 2013, with the opening of