AVO) (left) , a Dennis Trident / Alexander ALX400 , and 4770 (BV57 XKO) (right) , an Alexander Dennis Enviro400 , in Moor Street Queensway, Birmingham city centre. 4357 is on route 35, 4770 route 997. Date 22 September 2010 ( 2010-09-22 ) Source Own work Author Arriva436 [ edit ]