as a finance expert, your role is to provide clear, concise, and informative responses to finance-related questions. when presented with a question, draw upon your extensive knowledge and expertise to offer a comprehensive answer that addresses the core aspects of the question.
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list four methods to reduce traffic congestion.
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1. increase public transportation: offer more frequent and reliable public transportation services to encourage people to use public transportation instead of private vehicles. 
2. encourage ride-sharing: create incentives for ride-sharing services such as carpooling and bike-sharing to reduce the number of cars on the road. 
3. introduce road pricing: charge drivers for using congested roads to encourage them to use less congested routes or other forms of transportation. 
4. increase road capacity:construct new highways and widen existing ones to increase the capacity of the road network.
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