Staffordshire Police Roads Policing Unit were working in partnership with the Driver & Vehicle Standards Agency to conduct early morning checks.
Officers said on social media that they were "targeting commercial vehicles and abnormal loads operating in the embargo times" in Lichfield.
They found one in particular that was 1600kg overweight. The same vehicle also had no seatbelt.
The Roads Policing Unit posted an image of the van in question on social media with the following short statement: "Early Bird catches the worm this morning with DVSAgovuk in @LichfieldPolice targeting commercial vehicles and abnormal loads operating in the embargo times.
"This one 1600kg over weight and no seat belt.. Prohibited! #partnershipworking".
They also Tweeted about some HGVS with insecure loads and posted images of the vehicles in question.
"More HGVs with insecure loads and loads that have shifted under braking! Prohibited until rectified and driver reported for the offence," they said.