Counting Delhi's Signals
guesstimates
India-specific
Set in Delhi, India; the figures and context are India’s.What this case is about
Delhi's municipal roads authority wants to estimate the number of traffic lights across the city. Count only lights that are installed and operational. How many traffic lights should it expect?
Objective
Estimate the number of publicly accessible, installed and operational traffic lights by translating eligible road lengths into signalized junctions and then into individual signal units.
Skills this case tests
Structuring the problem
Working the numbers
Judgement and recommendation
This is an interview practice scenario. Figures in the brief are case inputs, not current market research.