Mpika is a town in the Muchinga Province of Zambia, lying at the junction of the M1 Road to Kasama and Mbala and the Tanzam Highway (Great North Road) to Dar es Salaam, Tanzania in the north-east and Lusaka in the south-west. It also has a railway station on the TAZARA Railway about away. Mpika is situated between the Muchinga Escarpment to the east and vast miombo plains to the west. The town has an estimated population of 40,000 inhabitants (2008), while the district population is estimated at 150,000 inhabitants. Since Mpika District was the biggest district in Zambia before its division in 2017, the population density was less than 4 people per square kilometre. History In about 1930, Mpika was selected as a way-point on the air route from Europe to South Africa, and an airfield was built there. Gervas Clay, wife to Betty Clay, was posted to Luwingu in 1930 as a Provincial Administrator in Her Majesty's Overseas Civil Service. One of his tasks was to arrange for the purchase and transport of dried fish and maize to Mpika to supply the construction workers. His letters from England came out by sea to Cape Town, by rail to Broken Hill (now Kabwe), by lorry from Kapiri Mposhi to Mpika (280 miles) and Kasama (another 136 miles), and from Kasama by runner to Luwingu (124 miles). The mailman was clad in a red fez and scarlet tunic and shorts, and barefoot, and referred to as a "Scarlet Runner". Previously, the Great North Road (also known as the Great North Rut) was an earth road, marked by an incredible number of pot-holes. By 1939, his letters to and from home travelled by air – from "Scarlet runner" to airmail in only nine years which indicated the rapid pace of change in Central Africa at this time. Climate Mpika has a humid subtropical climate (Köppen: Cwa). Transport The Great North Road is in steady state of repair, still it take from Lusaka (ca. 640 km) around 8 hours, Kasama (ca. 210 km) is appr. 3 hours away and Nakonde (Zambian Border Post to Tanzania, 380 km) appr. 5 hours. Several bus operators offer coach services in all directions, but operate only over day (Lusaka to Mpika estm. US$20). In 2007, an extension of Malawi Railways From Mchinji and Chipata to Mpika was proposed, with a junction linking with the TAZARA Railway.