Amacandelo A no-B kufuneka apakishwe ngokwahlukeneyo. Ngexesha lokwakhiwa kwendlela, yongeza i-ejenti yokunyanga kumacandelo, kwaye usebenzise izixhobo zokuxuba ngokweemfuno zepeyinti. Iimpawu ezenziweyo ziyanyangwa kwaye zomiswe emva kokusabela kweekhemikhali kumphezulu wendlela.
I-Huaixi Expressway (ngoku eyaziwa ngokuba yi-Huainei Expressway) yiprojekthi yokwakha engundoqo egqitywe "yiSicwangciso seMinyaka emiHlanu" yePhondo laseHenan, kwaye ikwayenye "yeeProjekthi eziPhezulu ezilishumi" kwi "Projekthi ephindwe kabini" yoRhulumente kaMasipala waseXinyang. ngo-2011.
