R3 Highway is a primary road in Zimbabwe from the capital city Harare to the Chirundu Border Post with Zambia. It is also known as the A1 Highway. It is part of both the Beira–Lobito Highway and the Cape to Cairo Road.

Background
The R3 highway is also known as the Harare-Chirundu Highway. Its historical and popular name is the A1 Highway and is  long. In Harare it can be picked up at the intersection of Samora Machel Avenue (A5) and Leopold Takawira Street. Follow Leopold Takawira north and turn right into Hebert Chitepo Avenue, then left into Sam Nujoma Street up to Lomagundi Road (A1) at coordinates , and from Chirundu it can be picked from the Chirundu Bridge or the Otto Beit Bridge. (  )

Pan African Highway Link
Together with the R1 Highway which runs from Harare to Beitbridge, the R3 Highway forms the Chirundu-Beitbridge Regional Road Corridor, which is part of the North-South Corridor known as the Cape to Cairo Road. Chirundu to Beitbridge is .

Trans-African Highway Link

Together with the R5 Highway, which runs from Harare to Mutare, the R3 forms part of the Beira-Lobito Highway which is the Trans-African Highway Network route number 9.

Rehabilitation
The A1 Highway is currently under rehabilitation together with other regional road corridors in Zimbabwe.
Most highways in Zimbabwe are more than 30 years old, outliving their 20-year life span, and they need rehabilitation.
The rehabilitation of this highway is in conformation of the Southern African Development Community (SADC) Regional Infrastructure Master Plan for the North-South Corridor.
North-South Corridor is central a passage for SADC members' exports and imports to and from the north. It is seen as crucial to unlocking further development within SADC and the Common Market for Eastern and Southern Africa (COMESA).

Waypoints
Waypoints from South to North; Harare to Chirundu.

Banket
The first significant waypoint from Harare is Banket. This waypoint is usually overlapped by motorists because it is only  before Chinhoyi.
-17.38333, 30.4

Chinhoyi
Entering Chinhoyi, the first billboard encountered just after the Manyame Bridge notifies one of a rest place just a kilometre away. Ten years from opening its doors, the Chinhoyi University of Technology Hotel has become a favourite stop-over for travellers along the Harare-Chirundu Highway.
When you live Chinhoyi towards Karoi about  north, (that's about  from Harare and about before  from Chirundu Border Post is the Chinhoyi Caves Recreational Park, besides the road.
The caves are a network of tunnels and caverns which are fascinating places to visit. The water temperature of the Chinhoyi caves is always at 22 degrees Celsius (72 Fahrenheit). The caves are a stopover option for those not wanting to stop in town. Open hours are 0700 hrs to 1700 hrs (GMT).

Karoi
Karoi is about  by road, north-west of Chinhoyi, or about  from Harare and  before Chirundu.

About  north of Karoi towards Makuti, the Karoi-Gokwe-Binga Roads turns right and eventually reaches Matusadona National Park. Sanyati Bridge is  along this road, west.

Makuti
Makuti is the last significant waypoint before Chirundu. The M15 highway branches sharply right here to Kariba through to Zambia’s Siavonga Border Post via the Kariba Dam wall.

Marongora
Marongora Wildlife Campsite is about  from Chinhoyi towards Chirundu, that is just more than  northwest of Harare.  Tickets to Manna Pools are obtained here.

Marongora Map External link.
Marongora Office Photo External link.

Bridges
There are several high-level bridges along the highway. However, during the floods of January 2015 some bridges between Chinhoyi and Karoi flooded, a very rare scenario.
Chikuti River Bridge was blocked by flowing water near Lion's Den before Mhangura Road turn-off. and Denga River Bridge was also blocked.

See also
 ZINARA
 Trans-African Highway
 Cairo-Cape Town Highway
 Chirundu-Beitbridge Regional Road Corridor

References

Roads in Zimbabwe