Novi, MI Environmental Rules: Vehicle Idling Restrictions (2026)

Section 22-100 opens with council findings that vehicle idling, standing, and loading or unloading create an unreasonable health and welfare risk and a nuisance for residents living near where trucks and other vehicles wait. The operative rule in subsection (c)(1) runs from 8:00 p.m. to 7:00 a.m. the following day: within that window, no one may permit, cause, or occupy a standing or idling motor vehicle or commercial vehicle within 400 feet of a residential structure for more than 15 consecutive minutes, or for periods adding up to more than 15 minutes in any one hour.

"Standing" is defined to mean a stationary vehicle that is occupied, so a driver waiting in a parked car counts the same as an idling engine. The rule reaches commercial vehicles, cars, motorcycles, construction equipment, forklifts and cranes alike. Traffic congestion and compliance with a traffic signal are the only listed excuses, and subsection (c)(3) separately allows idling that's necessary to run attached equipment, such as a lift, crane, pump, drill, hoist or concrete mixer, though running refrigeration units on a standing vehicle stays banned during the restricted hours regardless.

Subsection (d) applies the same 400-foot, nighttime restriction to loading and unloading commercial vehicles. School buses, police, fire and emergency vehicles are exempt outright, and other emergency work can qualify for an exemption if the operator notifies the city manager's office describing the work in advance.