Terrible maintenance costs for ventilation, plant vehicle access, widening (e.g. temporarily for roadworks), poor kerb access for deliveries/emergency vehicle a

Terrible maintenance costs for ventilation, plant vehicle access, widening (e.g. temporarily for roadworks), poor kerb access for deliveries/emergency vehicle access, plus a firetrap in the case of a burning vehicle At least that's what I've worked out from Cities: Skylines.