Why is there a U-turn slot near Il Corso?

At Greenway dei Patriarchi, teams would have the option to U-Turn a team, with two slots available Liz & Michael used the first slot of the U-Turn on Vanck &

Northern elevated U-turn slot of the C-5–Kalayaan Interchange ; Map

ugga bugga slot There is a U-Turn before the somatne phata toll plaza, which does not show on google maps, instead it shows a 3km straight drive and then asks

undead fortune slot Slot #1 of a Double U-Turn · Highest placement for a team that was successfully U-Turned