Who polices Marlborough
Marlborough has no municipal police department. The town is covered by a resident state trooper assigned from Connecticut State Police Troop K, based in Colchester, so an arrest in Marlborough is a state police arrest.
That leaves Marlborough pointing in two directions at once. The barracks that processed your arrest is in Colchester, to the southeast. The courthouse that hears the case is in Manchester, to the northwest. They are separate systems and they do not line up, which catches people out when they try to sort out a bond by driving to the wrong one.
Route 2 runs through the town and carries most of the traffic enforcement.
Where your case goes
Marlborough cases are prosecuted at Manchester Superior Court, GA 12. The court page covers parking, the docket, and what to expect on arrival.
If troopers released you, your court date is on the paperwork they gave you. If you were held, you go to court the next business day, where a judge reviews the bond.
After the arrest
The trooper either releases you from the barracks on a promise to appear or after a bond, or holds you for court the next business day. Released, your date is on the paperwork you were given; held, the judge reviews the bond at the first appearance. The arrest page covers booking and the bond and bail page covers the bond.
Because the barracks and the courthouse are in different directions, be careful about where you are going and why: bond questions go to Colchester, court dates go to Manchester.
A family violence arrest goes to court the next business day either way, with a protective order issued at that appearance. Until any of it, do not talk about the case, including on a recorded call from holding. The arraignment page explains the first date and the what to expect page explains the arc.
Common charges in Marlborough
Route 2 work puts DUI and drug possession among the more common Marlborough charges at GA 12. Domestic violence and family violence, assault, and larceny and shoplifting account for the rest. A first offense often has a diversionary program ending in dismissal, and most can be used only once, so the timing of the application is a real decision.