A lighting system for illuminating an environment, the lighting system comprising: - a plurality of lighting modules (111, 112, 113), the lighting modules comprising: - a light source for emitting light, illuminating an area, - an acoustic sensor arranged for sensing noise in the area, - a network interface configured to allow the lighting module to send noise data via a network, and - a vehicle routing device comprising: - a first network interface configured to receive noise data from the plurality of lighting modules via the network, - a processor circuit arranged to: - calculate noise metrics for different regions in the environment from the received noise data, - compare the calculated noise metric with noise metric threshold values, - dependent upon the calculated noise metric exceeding a noise metric threshold value for a particular region, generating a traffic rerouting signal, said traffic rerouting signal being adapted to instruct the rerouting of traffic away from said particular region, and - wherein the vehicle routing device further comprises a memory arranged to store a digital map of the environment, the processor circuit of the vehicle routing device being further arranged to estimate future noise metrics as a result of rerouting according to the traffic rerouting signal, transmitting the traffic rerouting signal being dependent upon the estimated future noise metries improving the calculated noise metries. - a plurality of lighting modules (111, 112, 113), the lighting modules comprising: - a light source for emitting light, illuminating an area, - an acoustic sensor arranged for sensing noise in the area, - a network interface configured to allow the lighting module to send noise data via a network, and - a vehicle routing device comprising: - a first network interface configured to receive noise data from the plurality of lighting modules via the network, - a processor circuit arranged to: - calculate noise metrics for different regions in the environment from the received noise data, - compare the calculated noise metric with noise metric threshold values, - dependent upon the calculated noise metric exceeding a noise metric threshold value for a particular region, generating a traffic rerouting signal, said traffic rerouting signal being adapted to instruct the rerouting of traffic away from said particular region, and - wherein the vehicle routing device further comprises a memory arranged to store a digital map of the environment, the processor circuit of the vehicle routing device being further arranged to estimate future noise metrics as a result of rerouting according to the traffic rerouting signal, transmitting the traffic rerouting signal being dependent upon the estimated future noise metries improving the calculated noise metries. - calculate noise metrics for different regions in the environment from the received noise data, - compare the calculated noise metric with noise metric threshold values, - dependent upon the calculated noise metric exceeding a noise metric threshold value for a particular region, generating a traffic rerouting signal, said traffic rerouting signal being adapted to instruct the rerouting of traffic away from said particular region, and - wherein the vehicle routing device further comprises a memory arranged to store a digital map of the environment, the processor circuit of the vehicle routing device being further arranged to estimate future noise metrics as a result of rerouting according to the traffic rerouting signal, transmitting the traffic rerouting signal being dependent upon the estimated future noise metries improving the calculated noise metries.