routeStart: Gloucester routeEnd: Severn Tunnel Jn routeId: 2421 updated: 2026-02-28 checked: signallerStart: Gloucester PSB signallerEnd: SWCC Severn Tunnel WS elecStart: elec: none elecEnd: elec: 25kvac eco: Didcot (TVSC) routeDetail: - type: continues routeName: Gloucester - Westerleigh Jn entryPoint: gloucester routeId: '2420' - type: station name: Gloucester miles: 114 chains: 4 - type: minorBridge name: Gloucester Viaduct miles: 114 chains: 20 position: under category: road - type: crossovers name: Gloucester West miles: 114 chains: 40 - type: minorBridge name: St. Catherines Street position: under category: road miles: 114 chains: 47 - type: minorBridge name: St. Oswalds Road position: under category: road miles: 114 chains: 54 - type: minorBridge name: St. Catherines Meadow Viaduct position: under miles: 115 chains: 2 - type: bridge name: River Severn position: under category: waterway miles: 114 chains: 10 - type: minorBridge name: Ham Meadow Viaduct position: under miles: 115 chains: 20 - type: minorBridge name: Over Causeway position: over category: aroad roadName: A417 miles: 115 chains: 32 - type: minorBridge position: under miles: 115 chains: 37 - type: crossovers name: Over Jn miles: 115 chains: 43 - type: bridge position: under category: waterway name: River Severn miles: 115 chains: 48 - type: crossing kind: uwc name: Keens Crossing miles: 116 chains: 3 - type: crossing kind: foot name: Over Farm Foot Crossing miles: 116 chains: 48 - type: minorBridge position: under miles: 116 chains: 40 - type: crossing kind: uwc name: Poole's Crossing miles: 116 chains: 46 - type: minorBridge position: under miles: 116 chains: 64 - type: minorBridge category: aroad name: A48 roadName: A48 position: over miles: 117 chains: 5 - type: crossing kind: foot name: Hygrove Foot Crossing miles: 117 chains: 39 - type: crossing kind: uwc name: Lower Barn Foot Crossing miles: 118 chains: 17 - type: crossing kind: foot name: Churcham Court Foot Crossing miles: 118 chains: 48 - type: minorBridge name: Farm Bridge position: over miles: 118 chains: 55 - type: crossing kind: foot name: Churcham 66 Foot Crossing miles: 118 chains: 69 - type: minorBridge name: Oakle Street position: over category: road miles: 119 chains: 35 - type: crossing kind: foot name: Oakle St No.1 Foot Crossing miles: 119 chains: 59 - type: crossing kind: foot name: Oakle St No.2 Foot Crossing miles: 119 chains: 66 - type: crossing kind: foot name: Hooks Farm Foot Crossing miles: 120 chains: 1 - type: crossing kind: cctv name: Ley Level Crossing description: CCTV by Gloucester miles: 120 chains: 20 - type: crossing kind: uwc name: Broken Cross Farm No.1 Crossing miles: 120 chains: 49 - type: crossing kind: R/G name: Broken Cross Farm Level Crossing miles: 120 chains: 66 - type: minorBridge position: over name: Grange Court Road miles: 121 chains: 50 - type: crossing kind: AHB name: Westbury Level Crossing miles: 122 chains: 11 - type: crossing kind: foot name: Longcroft Farm Foot Crossing miles: 122 chains: 20 - type: crossing kind: foot name: Westbury Brook Foot Crossing miles: 122 chains: 51 - type: minorBridge position: under name: Westbury-on-Severn Lane miles: 122 chains: 72 category: road - type: minorBridge position: under name: Jordan Hill roadName: A48 category: aroad miles: 122 chains: 78 - type: minorBridge name: Farm Bridge position: under miles: 123 chains: 33 - type: minorBridge name: Cattle Creep position: under miles: 123 chains: 53 - type: crossing kind: OMSL name: Broadoak Crossing miles: 123 chains: 76 - type: minorBridge name: Broad Oak Bridge roadName: A48 category: aroad position: under miles: 124 chains: 5 - type: minorBridge name: Cattle Creep position: under miles: 124 chains: 25 - type: minorBridge name: Hawkins Lane category: road position: under miles: 124 chains: 40 - type: minorBridge name: Cattle Creep position: under miles: 124 chains: 45 - type: minorBridge position: over name: Hyde Lane category: road miles: 125 chains: 3 - type: signallerChange from: Gloucester PSB (G) to: SWCC Severn Tunnel Workstation (NT) - type: tunnel tunnelType: whole length: 0mi 235yd name: Newnham Tunnel miles: 125 chains: 14 - type: minorBridge name: Farm Bridge position: over miles: 125 chains: 26 - type: crossing kind: uwc name: Ruddle Bridge Crossing miles: 125 chains: 37 - type: minorBridge name: Ruddle Road Bridge roadName: A48 position: under category: aroad miles: 125 chains: 47 - type: crossing kind: foot name: Bullo Pill Foot Crossing miles: 126 chains: 35 - type: minorBridge name: Bullo Dock Viaduct position: under category: road miles: 126 chains: 39 - type: minorBridge name: Farm Bridge position: over miles: 126 chains: 74 - type: minorBridge name: Awre Road Cockshoot Bridge position: over miles: 127 chains: 34 - type: crossing kind: foot name: Awre 15 Foot Crossing miles: 128 chains: 9 - type: crossing kind: CCTV name: Awre Level Crossing miles: 128 chains: 22 description: CCTV by SWCC - type: minorBridge name: Hewletts Road position: over category: road miles: 128 chains: 46 - type: crossing kind: foot name: Awre 87 Foot Crossing miles: 129 chains: 7 - type: crossing kind: foot name: Milkmaid Head Foot Crossing miles: 129 chains: 45 - type: crossing kind: foot name: Gatcombe Foot Crossing miles: 129 chains: 61 - type: crossing kind: uwc name: Aldridge Crossing miles: 130 chains: 65 - type: minorBridge name: Cliff Farm Bridge position: over miles: 131 chains: 79 - type: crossing kind: foot name: Plummers Farm Foot Crossing miles: 132 chains: 19 - type: crossing kind: AHB name: Naas Level Crossing miles: 132 chains: 68 - type: crossing kind: foot name: Lydney Foot Crossing miles: 132 chains: 71 - type: loop position: both name: Lydney Goods Loops description: Up loop gives access to Dean Forest Railway miles: 133 chains: 21 - type: station name: Lydney miles: 133 chains: 37 - type: crossing kind: CCTV name: Lydney Level Crossing description: CCTV by SWCC miles: 133 chains: 40 - type: minorBridge name: The Lyd position: under category: stream miles: 133 chains: 42 - type: minorBridge position: under category: road miles: 133 chains: 45 - type: crossing kind: uwc name: Garlands No.1 Crossing miles: 133 chains: 72 - type: minorBridge name: Garlands Bridge position: under miles: 134 chains: 26 - type: crossing kind: uwc name: Stockwell Lane Crossing miles: 134 chains: 53 - type: crossing kind: foot name: Hardacre No.1 Foot Crossing miles: 134 chains: 62 - type: crossing kind: uwc name: Hardacre No.2 Crossing miles: 135 chains: 4 - type: crossing kind: foot name: Alvington 17 Foot Crossing miles: 134 chains: 66 - type: crossing kind: foot name: Alvington 18 Foot Crossing miles: 135 chains: 38 - type: crossing kind: foot name: Woolaston 117 Foot Crossing miles: 135 chains: 56 - type: crossing kind: foot name: Woolaston 118 Foot Crossing miles: 135 chains: 77 - type: crossing kind: R/G name: Woolaston Level Crossing miles: 136 chains: 14 - type: minorBridge name: Farm Bridge position: over miles: 136 chains: 27 - type: crossing kind: uwc name: High Hall Crossing miles: 138 chains: 14 - type: minorBridge name: Pill House Bridge position: over category: road miles: 139 chains: 9 - type: minorBridge name: Farm Bridge position: under miles: 139 chains: 56 - type: minorBridge name: Snipe Hill Bridge position: over category: road miles: 140 chains: 22 - type: minorBridge name: Mead School Bridge position: over category: road miles: 140 chains: 35 - type: minorBridge name: Sedbury Lane position: over category: road miles: 140 chains: 55 - type: tunnel tunnelType: whole name: Chepstow Tunnel length: 0mi 359yd description: May be illuminated miles: 140 chains: 69 - type: minorBridge name: Beachley Road position: over category: road miles: 141 chains: 0 - type: bridge name: Chepstow Bridge position: under category: waterway description: Crosses River Wye miles: 141 chains: 10 - type: station name: Chepstow miles: 141 chains: 33 - type: bridge name: Motorway position: over category: motorway roadName: M48 miles: 143 chains: 4 - type: crossing kind: uwc name: Sharpe's Crossing miles: 143 chains: 15 - type: crossing kind: OMSL name: Three Gates Crossing miles: 143 chains: 35 - type: crossing kind: uwc name: Curb Hut Crossing miles: 144 chains: 6 - type: minorBridge name: Redcliffe Bridge position: over miles: 144 chains: 40 - type: crossing kind: OMSL name: Mathern 21 Foot Crossing miles: 144 chains: 68 - type: crossing name: Ifton Hill Farm Crossing kind: uwc miles: 145 chains: 11 - type: minorBridge name: New Passage Road position: over category: road miles: 145 chains: 67 - type: minorBridge category: foot position: over miles: 146 chains: 0 - type: minorBridge name: Portskewett Road position: over miles: 146 chains: 32 - type: crossing name: Caldicot Level Crossing kind: cctv description: CCTV by SWCC miles: 147 chains: 4 - type: crossing name: Rhymers Crossing kind: uwc miles: 147 chains: 25 - type: minorBridge name: Caldicot Road Bridge position: over category: road miles: 147 chains: 51 - type: crossing kind: uwc name: Caldicot Station Crossing miles: 148 chains: 0 - type: station name: Caldicot miles: 148 chains: 2 - type: electrificationChange from: elec: none to: elec: 25kvac eco: Didcot miles: 148 chains: 50 - type: minorBridge name: Ifton Tramway Underbridge position: under miles: 148 chains: 50 - type: station name: Severn Tunnel Junction description: Platforms 1 & 2 on this line of route miles: 148 chains: 61 - type: junction name: Severn Tunnel Junction diverges: left direction: up description: to Bristol via Severn Tunnel goto: '0000' entryPoint: severn-tunnel-junction miles: 149 chains: 14 - type: continues routeName: Bristol Parkway - Cardiff West Shunt routeId: '0000' entryPoint: severn-tunnel-junction