Level3(Tcp) . Lccal bus steps I405 mainline . at same level as BRT steps . BRT staticns Eelcw I405 level, nc vertical transfer required te 35th ccs?rEc Level 2 (Middle) Access teffrern I405 express tell lanes Maximum 5% grade, nc fer translt and express tell lane users switch backs Level 1 New (Bettcm) fer threugh traf?c an 35th . 13