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|---|---|---|---|---|
 The A308 at Hampton, beside the district's water works. | ||||
| Route information | ||||
| Length | 33.75 mi (54.32 km) | |||
| Major junctions | ||||
| East end | Brompton | |||
 A4 A3220 A217 A219 A3 A238 A2043 A307 A310 A309 A311 A316 M3 A244 A30 A3044 A320 M25 A328 A332 A355 A330 M4 A4 A404 | ||||
| West end | Bisham | |||
| Location | ||||
| Country | United Kingdom | |||
| Primary destinations | Kingston upon Thames, Staines-upon-Thames, Maidenhead | |||
| Road network | ||||
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The A308 is a road in England in two parts. The first part runs from Central London to Putney Bridge. The second part runs from just beyond Putney Heath to Bisham, Berkshire. It traces four, roughly straight lines, to stay no more than 3 miles (4.8 km) from the Thames. It is a dual carriageway where it is furthest from that river, in Spelthorne, Surrey and forms one of the motorway spurs to the large town of Maidenhead. Other key settlements served are Fulham, Kingston (London), Staines upon Thames, Windsor and a minor approach to Marlow