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Smithston Roundabout

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Smithston Roundabout
Location Map ( geo)
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Highway Authority
Transport Scotland
Junction Type
Roads Joined
A77, B77
Junctions related to the B77

Smithston Roundabout lies at the northern end of the Maybole Bypass on the A77 and opened on 31st January 2022. The old alignment of the A77 through Maybole was lazily renumbered as the B77, while a minor road also heads west from the junction. It is therefore a four arm roundabout, where all four approaches have two lanes for turning traffic, and the southern arm of the A77 also has two lanes onto the bypass, to provide a climbing lane up the gentle hill away from the junction. The old A77, now the B77, was slightly realigned on the approach to the junction, to provide a squarer approach, with the original line following the footpath across the wide verge on the eastern side of the roundabout.


Route To Notes




Stranraer, Girvan


Maybole former A77

Smithston Roundabout
Junctions on the A77
Glasgow Central • Eastwood Toll  • Malletsheugh Interchange  • Kingswell Interchange  • Galston Junction • M77 J7  • M77 J8  • Kilmarnock Bypass Interchange • Meiklewood Interchange  •
Dutch House Roundabout  • Sandyford Toll Roundabout  • Whitletts Roundabout  • Holmston Roundabout  • Bankfield Roundabout  • Maybole Road Junction • Hogg's Corner  •
Turnberry Junction • Bridgemill Roundabout • Innermessan Junction • Lewis Street Roundabout • Corner House

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