Yes, underglow lighting is permitted in Belgium under strict conditions. The Royal Decree of 1 December 1975 on road traffic regulations governs vehicle lighting, while local authorities enforce compliance through periodic inspections.
Key Regulations for Underglow Lighting in Belgium
- Color Restrictions: Only white or amber underglow lighting is allowed. Blue, red, or green lights are prohibited as they are reserved for emergency and police vehicles.
- Intensity Limits: Underglow lights must not exceed 150 candela per square meter to avoid blinding other road users or interfering with traffic signals.
- Installation Constraints: Lights must be mounted below the vehicle’s bumpers and directed downward to prevent distraction. Permanent installation is permitted, but temporary or flashing modes are banned.
The Belgian Institute for Road Safety (VIAS) and local police forces conduct roadside checks, particularly in Brussels and Flanders, where enforcement has intensified ahead of the 2026 EU-wide vehicle lighting harmonization regulations. Non-compliance may result in fines up to €137.50 and mandatory removal of the lighting system.
Vehicles registered in Belgium must also comply with the 2014/45/EU Roadworthiness Directive, which mandates that all lighting modifications be documented in the vehicle’s technical inspection report. Aftermarket underglow kits require certification from the Belgian Federal Public Service Mobility and Transport to ensure conformity with ECE regulations.