 The M @-@ 16 designation lasted for seven years . As the states were meeting with the American Association of State Highway Officials ( AASHO , now AASHTO ) to plan the United States Numbered Highway System , the route of M @-@ 16 was originally planned to be included in US 18 . When the system was announced on November 11 , 1926 , Grand River Avenue and M @-@ 16 became part of US 16 . The first change to the US 16 routing in the Detroit area was made in 1933 when the highway was moved to bypass Farmington , with the old routing retained as a state highway . 
 The M @-@ 16 designation lasted for seven years . As the states <a href='uninflect' title='1'><mark>were</mark></a> meeting with the American Association of State Highway Officials ( AASHO , now AASHTO ) to plan the United States Numbered Highway System , the route of M @-@ 16 was originally planned to be included in US 18 . When the system was announced on November 11 , 1926 , Grand River Avenue and M @-@ 16 became part of US 16 . The first change to the US 16 routing in the Detroit area was made in 1933 when the highway was moved to bypass Farmington , with the old routing retained as a state highway . 
The M @-@ 16 designation lasted fir seven years . As the states was meeting wid the American Association of State Highway Officials ( AASHO , now AASHTO ) to plan the United States Numbered Highway System , the route of M @-@ 16 was originally planned to b included in US 18 . When the system was announced on November 11 , 1926 , Grand River Avenue and M @-@ 16 became part of US 16 . The first change to the US 16 routing in the Detroit area was made in 1933 when the highway was moved to bypass Farmington , with da old routing retained as a state highway .