A338

A338 is a primary A-road in southern England linking the coastal conurbation of Bournemouth and Poole with inland towns such as Shaftesbury, Blandford Forum, and Salisbury. The route provides a strategic corridor connecting the A31 and M27 corridors with the A303 and the road network serving Dorset and Wiltshire. Its course traverses urban centres, suburban peripheries, market towns, and military training areas, interfacing with historical landscapes such as the New Forest periphery and Salisbury Plain.

Route description

The A338 begins in the south at a junction near Lansdowne in Bournemouth, proceeding north through the urban districts of Charminster, Winton, and Iford before crossing the River Stour and entering the borough of Poole. It skirts the eastern edge of Arne and passes close to the conurbation of Bournemouth Airport, then turns inland toward Wimborne Minster, intersecting the A31 near the western outskirts of Ringwood and providing links to the M27 and M3. Further north the road climbs through the chalk downland toward Shaftesbury, crossing the historic route of the Roman road network and passing near prehistoric monuments on the Dorset Downs. Beyond Blandford Forum the A338 runs adjacent to the boundaries of the Salisbury Plain Training Area, meeting the A303 and continuing towards Salisbury where it connects with the A36 and the road approaches central Salisbury and its medieval street pattern. The northernmost stretches link to rural lanes and provide feeder access to villages such as Compton Abbas and Stourpaine.

History

The alignment of the A338 overlays multiple historical corridors. Segments follow or abut the course of Roman and medieval routes that served Winchester, Bath, and Salisbury Cathedral pilgrimage paths. During the 18th and 19th centuries coaching and turnpike development around Wimborne Minster and Shaftesbury shaped early improvements recorded in county surveys of Dorset and Wiltshire. In the 20th century, interwar and postwar road classification schemes assigned the A338 designation as part of national efforts linking south-coast ports with inland arterial routes such as the A31 and A303. Cold War-era defence considerations influenced upgrades near Salisbury Plain Training Area and access to installations including Amesbury and transport nodes serving Portsmouth naval facilities. Late 20th- and early 21st-century projects, often promoted by Dorset County Council and Wiltshire Council, have included bypass schemes around Wimborne Minster, junction reconfigurations close to Bournemouth Airport, and carriageway improvements near Blandford Forum to accommodate commuter flows to Poole and Bournemouth.

Traffic and usage

Traffic on the A338 is a mix of commuter, commercial, tourist, and military movements. Daily commuter links run between Bournemouth/Poole conurbations and employment centres in Wimborne, Blandford Forum, and Salisbury. Seasonal peaks correspond with tourist flows to attractions such as New Forest National Park, the coastal resorts of Bournemouth Beach and Sandbanks, and heritage sites like Stonehenge and Salisbury Cathedral. Freight traffic uses the road as a feeder to port and distribution facilities serving Dorset and the South West England logistics network, connecting with the M27 corridor toward Southampton and Portsmouth. Traffic studies commissioned by local authorities and transport bodies, including Highways England successor agencies, show varied AADT figures, with highest volumes recorded on the dual carriageway sections near the Bournemouth–Poole urban fringe and lower volumes on rural single-carriageway stretches across Salisbury Plain.

Safety and incidents

Safety records for the A338 reflect the mix of high-speed rural sections and complex urban junctions. Notable incident clusters have occurred at junctions near Wimborne Minster and on descending approaches toward Blandford Forum, where visibility and gradient changes coincide with collisions. Road safety audits by Dorset Police and Wiltshire Police have prompted measures such as speed-limit reviews, additional signage, and targeted enforcement campaigns in partnership with Highways England contractors. The route has been impacted by notable single-vehicle and multi-vehicle incidents, including winter-weather-related closures affecting access to Bournemouth Airport and emergency-response operations involving South Western Ambulance Service and local fire brigades like Dorset & Wiltshire Fire and Rescue Service. Pedestrian safety improvements have been implemented in the urban stretches adjoining Bournemouth and Poole town centres following consultations with Bournemouth, Christchurch and Poole Council.

Notable junctions and landmarks

Significant junctions and landmarks along the A338 include: - The southern terminus interchange in Bournemouth, connecting to arterial urban routes serving Bournemouth University and Royal Bournemouth Hospital. - Junction with the A35 and access routes to Sandbanks and Poole Harbour, a major natural harbour and ferry terminal area linked to Isle of Wight services. - Bypass and junctions around Wimborne Minster, a market town with links to King John era history and nearby Compton House. - Interchange with the A31 providing routes to Ringwood, Winchester, and The New Forest. - Crossings near Blandford Forum and the River Stour (Dorset), adjacent to Georgian townscapes and conservation areas. - Proximity to Salisbury Plain Training Area and access points used by military convoys to installations near Amesbury and Tidworth. - Northern approaches to Salisbury, where connections to the A36 facilitate access to Bath and Southampton.

Category:Roads in Dorset Category:Roads in Wiltshire