Zimbabwean truck driver Wallace Muzondiwa queued four days in his vehicle to enter neighbouring South Africa after thousands of people rushed to the border to escape new Zimbabwean movement restrictions this week. The surge overwhelmed immigration authorities at the Beitbridge border post, South Africa’s second-busiest entry port, where angry crowds were stranded by the backlog. “The situation is very, very, very hectic,” said Muzondiwa, desperate to get back on the road after officials finally approved his coronavirus test and additional pandemic-related paperwork. “The line is going very, very slowly and the sun is very hot,” he complained. Flustered travellers hurried past with their luggage, hopping into minivan taxis parked alongside sizzling barbecue stands selling chicken wings on the go. Coronavirus has complicated cumbersome land border crossings in southern Africa, where trucks can sometimes wait days to get through sluggish customs. “What causes the delays at the borders are the documents,” explained South African driver Sinki Tshangise, 44, who has criss-crossed between Botswana, Malawi, Zambia and Zimbabwe for almost a decade. Negative Covid-19 certificates often expire before arrival, he added, forcing drivers to pay for more testing on the road. “I don’t think I can afford to pay at each and every border,” said Tshangise. “It’s a real struggle.” ‘Superspreader’ risk At Beitbridge, truck drivers joined throngs of travellers queing for rapid-diagnostic nasal swabs provided by the South African government. Health workers said they had struggled to keep up with the influx from Zimbabwe at the start of its second lockdown earlier this week. Lines of border-crossers spilled over onto the single bridge across the Limpopo River, which naturally divides the two countries. Travellers and trucks crowded together along the narrow concrete strip with little leeway for social distancing.