7 canlyniad
Rhestrir y canlyniadau yn ôl perthnasedd.
Cymraeg: traphont
Saesneg: viaduct
Cymraeg: traphont ddŵr
Saesneg: aqueduct
Saesneg: The M4 Motorway (Kenfig Viaduct, Bridgend) (Temporary Traffic Prohibitions and Restrictions) Order 2013
Saesneg: The A465 Trunk Road (Saltings Viaduct, Neath Interchange, Neath Port Talbot) (Temporary Prohibition of Vehicles) Order 2013
Saesneg: The A465 Trunk Road (Taf Fechan Viaduct, Cefn Coed, Merthyr Tydfil) (Temporary Prohibition of Large Vehicles) Order 2023
Saesneg: The A4232 Trunk Road (St Brides Over-bridge to Ely River Viaduct, Cardiff) (Temporary 50 mph & 40 mph Speed Limits) Order 2012
Saesneg: The A48 Trunk Road & M4 Motorway (River Neath Bridge & Briton Ferry Dock Viaduct, Neath Port Talbot) (Temporary Traffic Restrictions & Prohibitions) Order 2011