The provisions of this chapter relating to the operation of vehicles refer exclusively to the operation of vehicles upon highways except: 1. Where a different place is specifically referred to in a given section. 2. The provisions of sections 321.261 through 321.273 , and sections 321.277 and 321.280 shall apply upon highways and elsewhere throughout the state. [C39, § 5017.01; C46, 50, 54, 58, 62, 66, 71, 73, 75, 77, 79, 81, §321.228 ] 86 Acts, ch 1220, §35 ; 98 Acts, ch 1178, §2 ; 2019 Acts, ch 59, §91