Complex sentence: The city cannot install the signs on its own because of the state trunkline status of the streets that make up the Capitol Loop; the MSP and MDOT are in charge of setting and signing the speed limits on state trunklines in Michigan.
Split into simpler sentences: The city cannot install the signs on its own because of the state trunkline status of the streets that make up the Capitol Loop. The MSP and MDOT are in charge of setting and signing the speed limits on state trunklines in Michigan.