MD 31 was relocated from New Windsor to southwest of Westminster between 1963 and 1965; the old highway, Old New Windsor Pike, became another segment of MD 852.
ˌɛmdˈiː θˈɜːɾi wˈʌn wʌz ɹᵻloʊkˈeɪɾᵻd fɹʌm nˈuː wˈɪndsɚ tə saʊθwˈɛst ʌv wˈɛstmɪnstɚ bᵻtwˌiːn nˈaɪntiːnhˈʌndɹɪd sˈɪksti θɹˈiː ænd nˈaɪntiːnhˈʌndɹɪd sˈɪksti fˈaɪv; ðɪ ˈoʊld hˈaɪweɪ, ˈoʊld nˈuː wˈɪndsɚ pˈaɪk, bɪkˌeɪm ɐnˈʌðɚ sˈɛɡmənt ʌv ˌɛmdˈiː ˈeɪthˈʌndɹɪd fˈɪfti tˈuː.