But the survey also probes for riders' opinions about whether they would be willing to pay an extra charge, ranging from 25 cents to $1, to travel during the rush hours of 6 to 9 a.m. and 3 to 6 p.m. The CTA does not currently charge a premium to ride during peak periods, but such congestion-pricing strategies are used successfully in some cities as an incentive to lure commuters to travel during non-peak hours, when buses and trains are less crowded.