 M @-@ 5 is maintained by the Michigan Department of Transportation ( MDOT ) like other state highways in Michigan . As a part of these maintenance responsibilities , the department tracks the volume of traffic that uses the roadways under its jurisdiction . These volumes are expressed using a metric called annual average daily traffic , which is a statistical calculation of the average daily number of vehicles on a segment of roadway . MDOT 's surveys in 2010 showed that the highest traffic levels along M @-@ 5 were the 68 @,@ 793 vehicles daily between 12 and 13 Mile roads ; the lowest counts were the 17 @,@ 176 vehicles per day southeast of Schoolcraft Road to I @-@ 96 . All of M @-@ 5 has been listed on the National Highway System , a network of roads important to the country 's economy , defense , and mobility . The trunkline is six- or eight @-@ lanes wide along the freeway section to the north and west of the Grand River Avenue interchange ; south and east of there it is a four @-@ lane freeway or six @-@ lane highway all the way to I @-@ 96 . 
 M @-@ 5 is maintained by the Michigan Department of Transportation ( MDOT ) like other state highways in Michigan . As a part of these maintenance responsibilities , the department <a href='uninflect' title='1'><mark>tracks</mark></a> the volume of traffic <a href='null_relcl' title='2'><mark>that</mark></a><a href='uninflect' title='3'><mark>uses</mark></a> the roadways under its jurisdiction . These volumes are expressed using a metric called annual average daily traffic , which <a href='drop_aux' title='4'><mark>is</mark></a>a statistical calculation of the average daily number of vehicles on a segment of roadway . MDOT <a href='null_genetive' title='5'><mark>'s</mark></a>surveys in 2010 showed that the highest traffic levels along M @-@ 5 <a href='uninflect' title='6'><mark>were</mark></a> the 68 @,@ 793 vehicles daily between 12 and 13 Mile roads ; the lowest counts <a href='uninflect' title='7'><mark>were</mark></a> the 17 @,@ 176 vehicles per day southeast of Schoolcraft Road to I @-@ 96 . All of M @-@ 5 <a href='been_done' title='8'><mark>has</mark></a> been listed on the National Highway System , a network of roads important to the country <a href='null_genetive' title='9'><mark>'s</mark></a>economy , defense , and mobility . The trunkline is six- or eight @-@ lanes wide along the freeway section to the north and west of the Grand River Avenue interchange ; south and east of there it is a four @-@ lane freeway or six @-@ lane highway all the way to I @-@ 96 . 
M @-@ 5 is maintained by the Michigan Department of Transportation ( MDOT ) like other state highways in Michigan . As a part of dese maintenance responsibilities , the department track da volume of traffic use tdaroadways under its jurisdiction . Tdesevolumes are expressed using a metric called annual average daily traffic , which a statistical calculation of the average daily number of vehicles on a segment of roadway . MDOT  surveys in 2010 showed that thdaighest traffic levels along M @-@ 5 was theda @,@ 793 vehicles daily between 12 and 13 Mile roads ; the lowest counts was the 17 @,@ 176 vehicles per day southeast of Schoolcraft Road to I @-@ 96 . alll of M @-@ 5 done been listed on the National Highway System , a network of roads important to the country  economy , defense , and mobility . The trunkline is six- or eight @-@ lanes wide along the freeway section to the north and west of the dand River Avenue interchange ; south and east of there it is a four @-@ lane freeway or six @-@ lane highway all the wdato I @-@ 96 .