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67 FigureÂ 40:Â MBTAÂ CommuterÂ RailÂ SystemwideÂ TrendsÂ Fixed route bus ridership data for Figure 41 and Figure 42 is weekday automated passenger counter (APC) data averaged monthly over the fall period (September, October, November, and December) provided by the transit agency. Frequency data were obtained from archived GTFS (General Transit Feed Specification). MBTA defined 15 key bus routes with high ridership, service frequency, and span of service hours. These key bus routes are displayed in Figure 41 and Figure 42. Key routes with increases in service frequencies between 2014 and 2017 did not see increases in ridership as seen in Figure 41. FigureÂ 41:Â MBTAÂ BusÂ FrequencyÂ andÂ RidershipÂ TrendsÂ inÂ 2014Â andÂ 2017Â
68 MBTA defines on-time performance for frequent bus service as a departure between 0 minutes before and 3 minutes after its scheduled departure. Infrequent bus service is defined as on-time if it arrives 1 minute ahead to 6 minutes behind the posted schedule. The on-time performance metric for each route is calculated as a percentage of the number of on-time arrivals divided by the total number of arrivals at time stops. The on-time performance metric averages weekday peak and off- peak service during the fall period is displayed per route in Figure 42. On-time performance has increased on all fixed bus key routes. FigureÂ 42:Â OnâtimeÂ PerformanceÂ andÂ RidershipÂ TrendsÂ inÂ 2014Â andÂ 2017Â Regarding impacts from the bus lanes, in MBTAâs own analysis, the Washington Street AM peak bus lane in Roslindale neighborhood has seen an increase of 4% in boardings along the corridor comparing Fall 2017-18 to Fall 2018-19. However, this analysis does not address that some riders may be coming from other routes rather than being new to MBTA service and some may be due to growth in the neighborhood population rather than the bus lane specifically. MBTA continues to conduct analysis of their ridership impacts from these projects and across their system. Future Plans to Encourage Ridership MBTA continues to monitor ridership and system performance to encourage transit ridership. Utilizing metrics and analysis, MBTA is planning a number of projects including station