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Frequency

2019 Ridership

Ridership change from 2018 to 2019

Overall Grade

A route’s overall grade is assigned based on speed and reliability. We used data from May 2019 and October 2019 to minimize holidays and weather-related service disruptions and because they fall during the school-year.

Worse than of NYC buses.

Average Speed

Average speed includes time spent at stops and is measured on weekdays from 10am - 4pm during May and October 2019. This metric is calculated independently of the MTA.

3.1 mph: Human walking
8.5 mph: Midtown car traffic
10 mph: London bus
10.4 mph: Boston bus
17 mph: NYC subway

Worse than of NYC buses.

Reliability

Reliability is measured differently for high- and low-frequency bus routes.

Bunching

Bunching is the reliability metric we use for high-frequency routes—those that come at least every 15 minutes. We define bunching as the percentage of buses that arrives within 25 percent of the scheduled headway after the bus in front of them, on weekdays between 10am - 4pm during May and October 2019. So if Bus #2 is scheduled to arrive eight minutes after Bus #1, but instead Bus #2 arrives less than two minutes after Bus #1, then Bus #2 is considered “bunched”. This metric is calculated independently of the MTA.

Worse than of NYC buses.

On-Time Performance

On time performance is the reliability metric we use for low-frequency routes—those that come less frequently than every 15 minutes. New York City Transit defines on-time performance as the percentage of buses that arrive no more than one minute early and no more than five minutes late. On-time performance is measured for each route at stops considered to be “key time points” for operational purposes. On-time performance statistics are based on analysis for weekdays in May and October 2019 conducted by New York City Transit, acquired by the Bus Turnaround Coalition.

Of every 100 buses, arrive either early or late.

Worse than of NYC buses.

Past Grades

2019

2018

2017