hard · GMAT Verbal
A city planner argues that expanding the number of dedicated bicycle lanes will significantly reduce the number of traffic accidents involving cyclists. The planner points to data showing that in cities with the most extensive bicycle lane networks, the number of cyclist-involved accidents per capita is the lowest in the region.
Which of the following, if true, most strongly supports the planner's argument?
- Cities with extensive bicycle networks also have the highest rates of helmet use among their cycling populations.
- The cost of installing dedicated bicycle lanes is significantly lower than the cost of widening existing roads to accommodate more traffic.
- In the cities studied, new bicycle lanes were followed by a measurable drop in average motor vehicle speed on those streets.
- The total number of residents who commute by bicycle has increased in every city that expanded its bicycle lane network.
- Most cyclists in the region report that they feel much safer when riding in a dedicated lane than when sharing a lane with motor vehicles.
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