The B2177 is a B road in Hampshire

Hampshire

Hampshire is a county on the southern coast of England in the United Kingdom. The county town of Hampshire is Winchester, a historic cathedral city that was once the capital of England. Hampshire is notable for housing the original birthplaces of the Royal Navy, British Army, and Royal Air Force...

, England a constituent country of the United Kingdom. It starts at the traffic light junction with the B2150 north and the B2150 east in Bedhampton and continues to the roundabout where a right turn takes the driver up onto the slopes of Portsdown Hill

Portsdown Hill

Portsdown Hill is a long chalk hill in Hampshire, England, offering good views over Portsmouth, The Solent, Hayling Island and Gosport, with the Isle of Wight beyond. The hill is on the mainland, just to the north of Ports Creek, which separates the mainland from Portsea Island, on which lies the...

. It shortly crosses the A3(M)

A3 road

The A3, known as the Portsmouth Road for much of its length, is a dual carriageway, or expressway, which follows the historic route between London and Portsmouth passing close to Kingston upon Thames, Guildford, Haslemere and Petersfield. For much of its length, it is classified as a trunk road...

 by a high road bridge and continues for some distance westwards on a mainly straight road past several Napoleonic era forts before turning north west, skirting the village of Southwick

Southwick, Hampshire

Southwick is a village in the English county of Hampshire, situated north of Portsmouth, and is occupied entirely by tenants in the style of the Middle Ages, where the entirety is wholly owned by the Southwick Estate. Oddly, there is one exception to this and that is Church Lodge which is in...

 going through North Boarhunt before reaching Wickham

Wickham

Wickham, formerly spelled Wykeham, is a small historic village and civil parish in Hampshire, southern England, located about three miles north of Fareham. It is within the City of Winchester local government district, although it is considerably closer to Fareham than to Winchester...

. Passing through the town the road heads north through Waltham Chase

Waltham Chase

Waltham Chase is a village in Hampshire, England, neighbouring the village of Bishop's Waltham.The village comprises about 2 sq. kilometres of land to the south-east of Bishop's Waltham....

 until it reaches Bishop's Waltham

Bishop's Waltham

Bishop's Waltham is a small town in Hampshire, England situated at the head of the River Hamble. It is home to the ruins of Bishop's Waltham Palace, an English Heritage monument.-History:...

. The route then heads north west through Lower Upham, past Marwell Wildlife before arriving at the roads end, the junction with the B3354 at Fisher's Pond

The section from the Portsdown Hill roundabout to Fisher's Pond (Colden Common

Colden Common

Colden Common is a village and civil parish in Hampshire, England, lying just east of the M3 motorway between Winchester and Southampton. The nearest town is Eastleigh to the south west. Colden Common is in the Winchester District. To the east are the South Downs and to the west is the River Itchen...

) was formerly part of the A333 Winchester to Portsmouth Road. This continued south from Portsdown roundabout to the A3

A3 road

The A3, known as the Portsmouth Road for much of its length, is a dual carriageway, or expressway, which follows the historic route between London and Portsmouth passing close to Kingston upon Thames, Guildford, Haslemere and Petersfield. For much of its length, it is classified as a trunk road...

 at Cosham

Cosham

Cosham is a northern suburb of Portsmouth lying within the city boundary but off Portsea Island. It is mentioned in the Domesday Book of 1086 along with Drayton and Wymering and Bocheland , Frodington and Copenore on the island.The name is of Saxon origin and means "Cossa's homestead"...

, and north from Fisher's Pond through Twyford

Twyford, Hampshire

For other places of the same name, see Twyford.Twyford is a village and civil parish in Hampshire, England, approximately three miles south of Winchester and near the M3 motorway and Twyford Down. In 2001, the population of the parish was 1,456...

 to the Hockley traffic lights (a notorious bottleneck on the A33

A33 road

The A33 is a major road in England. The road formerly ran from Reading to Southampton, but now consists of three disjoint sections:*Reading to Basingstoke*The A30 road south of Basingstoke to just north of Winchester...

 Winchester by-pass) and across the Itchen

River Itchen, Hampshire

The River Itchen is a river in Hampshire, England. It flows from mid-Hampshire to join with Southampton Water below the Itchen Bridge in the city of Southampton. The river has a total length of , and is noted as one of England's - if not one of the World's - premier chalk streams for fly fishing,...

Water Meadows (route now mainly pedestrianised) to St Cross.