A38) across Queen Square to The Centre. From there it turns back towards Bristol Harbour via Anchor Road past the We The Curious science museum. After another roundabout the A4 follows along Hotwell Road and around a one-way system that merges the A4 with the A3029. At this point the A4 regains trunk road classification and passes under the Clifton Suspension Bridge along the Portway. It heads out of the city into the suburbs of Sea Mills and Shirehampton before going under the M5 to end at the roundabout that feeds the motorway, the M49 and A403 in Avonmouth. Junction list References External links A4 road at the Society for All British and Irish Road Enthusiasts Roads in England Streets in London Roads in Berkshire Roads in Bristol Roads in London Roads in Somerset Roads in Wiltshire Elevated overpasses in London Streets in the London Borough of Hammersmith and Fulham Streets in the London Borough of Hillingdon Streets in the London Borough of Hounslow Streets in the Royal Borough of Kensington and Chelsea Streets in the City of Westminster