ˈɔfən ɐ ɹˈaʊt ɹᵻmˈeɪnd ˌɔn ɪts ˈoʊld ɐlˈaɪnmənt, wˌaɪl ðə sˈaɪnd tɹˈæfɪk ɹˈaʊt wʌz mˈuːvd tʊ ɐ nˈuːɚ bˈaɪpæs wɪð ɐ dˈɪfɹənt nˈʌmbɚ.
Often a route remained on its old alignment, while the signed Traffic Route was moved to a newer bypass with a different number.