North bound From: gps-talkusers-bounce@xxxxxxxxxxxxx [mailto:gps-talkusers-bounce@xxxxxxxxxxxxx] On Behalf Of alice dampman Sent: Tuesday, August 25, 2009 19:23 To: gps-talkusers@xxxxxxxxxxxxx Subject: [gps-talkusers] what does "NB" mean? Hi, all, What do the letters "NB" mean after a US route number? That's where I've encountered them...as in turn onto U 1 NB. I thought I had figured that out once, but I can't for the life of me remember what it means now... Thanks. Alice alicedh@xxxxxxxxxxx