Portsmouth Driving Test Centre: Local Knowledge Guide

DriveRoutes is an independent practice aid and is not affiliated with, endorsed by, or connected to the DVSA. Examiners no longer publish fixed test routes, the roads named below are the real local network learners practise on, drawn from our route catalogue, not a copy of any examiner route.

Portsmouth's practical test centre stands at 1 Southampton Road, Cosham (PO6 4SH), on the mainland side at the very top of Portsea Island. We map five practice routes here, and the network captures exactly what makes a Portsmouth test distinctive: this is where a dense island city meets fast mainland trunk roads. A single route can take you from the multi-lane Portsbridge Roundabout and the A27/A3(M) approaches, where lane choice and merging dominate, into the tighter, busier streets of Cosham and Portchester, and across onto the island around Copnor Road, where parked cars and pedestrians take over. That transition between fast junctions and dense town driving is the heart of the test.

What to expect on test day at Portsmouth

Expect a route that puts roundabouts and lane discipline front and centre. Leaving the Cosham area, a route quickly engages the Portsbridge Roundabout, the busy junction controlling access between the island and the mainland, and the A27/A3(M) approaches, where lane choice and timing matter most. From there it can work the Cosham and Portchester streets, taking in the Castle Street, Cornaway Lane, Spur Road and West Street roundabouts, before the residential and island sections around Copnor Road and Paulsgrove bring parked cars, crossings and heavier urban traffic.

The independent-driving section blends sign-following with a sat-nav stretch. The recurring themes across the Cosham area are consistent: late lane choice at the Portsbridge Roundabout and on the trunk-road approaches, tightening your line and watching for late lane changes from other drivers at the busier junctions, and observation for pedestrians and cyclists on the island streets. The Portchester section of the A27 is often slower and more congested, so patience and gap judgement matter there too.

The real local roads, roundabouts and landmarks

Every place named here is drawn from the real Portsmouth route network in our catalogue.

• Portsbridge Roundabout: the network's signature junction, controlling access between the island and the mainland, early lane choice is essential.
• Castle Street, Cornaway Lane, Spur Road and West Street roundabouts: the key Cosham and Portchester junctions where lane discipline and signalling are assessed.
• The A27/A3(M) approaches: faster trunk-road driving with slip roads, merging and lane decisions.
• Copnor Road and the island streets: busy urban driving with parked cars, buses and crossings.
• Portchester and Paulsgrove residential areas: quieter streets near Paulsgrove Baptist Church and the local schools, where pedestrian observation and lower limits matter.

You will also pass everyday markers that help you place yourself: the Red Lion, the White Hart and the Coach and Horses, plus Lidl, Home Bargains, M&S Simply Food and churches such as St Francis' Church and the Portchester Methodist Church.

Notable hazards and how they are tested

Portsbridge Roundabout and the big junctions. This is Portsmouth's defining challenge. With multiple lanes and heavy flow, late lane choice and missed exits are the classic faults, read the signs early, pick your lane and exit, and commit.

A27/A3(M) approaches. On the trunk-road sections, the test is mirror discipline and smooth merging into faster traffic. Slip-road timing and lane choice are watched.

Busy island streets. Around Copnor Road, parked cars, buses and pedestrians compete for attention. Steady progress with continuous observation is assessed.

Congested Portchester sections. The slower A27 stretches reward patience, safe following distances and good gap judgement.

Pass-rate context

At roughly 52.7% for 2024, Portsmouth sits above the national average of about 48%, making it a fair centre rather than an easy one. The headline figure reflects a network that is demanding in one focused way, the roundabouts and trunk-road approaches, but otherwise predictable. The Portsbridge Roundabout and the A27/A3(M) junctions are the same on every test, so the candidates who rehearse them, and who can keep observing in busy island traffic, consistently do well. The faults that pull the average down, late lane choice and observation slips under pressure, are exactly the ones focused practice removes.

Area driving tips

1. Treat Portsbridge as the main event. Read the signs early, decide your lane and exit on the approach, and commit confidently.
2. Time your trunk-road merges. Use your mirrors early on the A27/A3(M) and match the traffic speed.
3. Keep observing on the island. Watch for buses, parked cars and pedestrians around Copnor Road.
4. Be patient through Portchester. The congested A27 sections reward safe gaps over rushed gaps.
5. Plan every roundabout from the lead-in. At Castle Street, Cornaway Lane and the rest, choose your lane before the give-way line.

How to practise

Portsmouth rewards practice on its roundabouts and its trunk-road approaches above all. Spend time on the Portsbridge Roundabout and the A27/A3(M) until reading the signs, choosing your lane and merging feel automatic, then work the Cosham and Portchester junctions for lane discipline. Finish with the island streets around Copnor Road for parked-car and pedestrian awareness in busy traffic. DriveRoutes maps all five Portsmouth routes with turn-by-turn navigation and an AI debrief, so you arrive familiar with the junctions that decide the test.