Reading: Summary, Note & Table Completion: Question 8

Congestion pricing is a policy tool that charges drivers a fee for entering a specified zone, typically a city centre, during periods when traffic volume is highest. The underlying economic principle is that road space is a scarce resource typically used without a price signal, which leads drivers to overconsume it relative to what they would choose if each additional trip carried a visible cost; by attaching a fee to entry during peak hours, planners aim to shift some trips to off-peak times, public transport, or routes outside the priced zone, thereby reducing the total volume of traffic competing for the same limited road space.

The first large-scale, city-wide scheme of this kind began operating in Singapore in 1975, using paper licences displayed on a vehicle's windscreen; this later evolved into a fully electronic system that adjusts the toll amount according to real-time congestion levels rather than a flat daily rate. A more widely studied case is the zone introduced in central London in 2003, which charged a flat daily fee for any vehicle entering the zone between specified hours on weekdays. Within the first year, traffic entering the zone fell by around 15 per cent, and average traffic speeds within the zone rose measurably, reversing a decades-long trend of slowing city-centre traffic.

Revenue raised by congestion charging schemes is rarely permitted to enter a city's general budget; in London, for example, the scheme's operating rules require that net income be reinvested specifically in public transport and road infrastructure improvements, a condition intended to answer the frequent criticism that such schemes function as a disguised general tax rather than a targeted traffic-management measure. Exemptions are also a recurring design feature: emergency vehicles, and in most schemes, registered residents of the priced zone, typically pay a substantially reduced rate rather than the full charge, softening the policy's impact on those who have little practical alternative to driving within the zone.

Critics argue that congestion pricing disproportionately burdens lower-income drivers, who are less able to absorb a flat daily fee regardless of the value of their trip, while wealthier drivers experience comparatively little deterrent effect. Some cities have responded by introducing variable pricing based on a driver's income or vehicle type, though evaluating whether these adjustments meaningfully improve equity while preserving the traffic-reduction benefit remains an active area of transport-economics research.

Complete the table below. Choose NO MORE THAN TWO WORDS from the passage for each answer.