I-Bollard ezenzakalelayo

Amabholadi azenzakalelayo (abuye abizwe nge-othomathikhi retractable bollard noma ama-bollard kagesi noma ama-hydraulic bollards) ayizithiyo zokuphepha, uhlobo lokuphakamisa okuklanyelwe ukulawula ukufinyelela kwemoto.
Isebenza ngesilawuli kude noma uhlelo lokusebenza lwefoni noma inkinobho yokucindezela, ingahlanganiswa nesithiyo sokupaka, ukukhanya kwethrafikhi, i-alamu yomlilo, ukuqashelwa kwepuleti lelayisense, uhlelo lwekhamera lokuphatha isakhiwo.