Kings County / Bus
MTA Brooklyn Bus B4 live tracking and departures
Bay Ridge - Sheepshead Bay · America/New_York
Selected branch: BAY RIDGE NARROWS AV · 65 stops.
B4 live vehicle tracking
Live data unavailable. Fresh vehicle positions only; 0 fresh vehicles matched to this route. The map shows vehicles assigned to the selected stopping pattern. Vehicles on other branches may be omitted.
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Official route geometry · 0 fresh vehicles on selected branch
Positions refresh every 30 seconds. An absent marker does not establish a canceled trip. Predictions and vehicle positions can have different availability.
Next departures from KNAPP ST/HARKNESS AV
BAY RIDGE NARROWS AVScheduled
15 min1:25 PM · Sat, Oct 31
BAY RIDGE NARROWS AVScheduled
35 min1:45 PM · Sat, Oct 31
BAY RIDGE NARROWS AVScheduled
55 min2:05 PM · Sat, Oct 31
BAY RIDGE NARROWS AVScheduled
2:25 PM2:25 PM · Sat, Oct 31
BAY RIDGE NARROWS AVScheduled
2:45 PM2:45 PM · Sat, Oct 31
BAY RIDGE NARROWS AVScheduled
3:05 PM3:05 PM · Sat, Oct 31
BAY RIDGE NARROWS AVScheduled
3:25 PM3:25 PM · Sat, Oct 31
BAY RIDGE NARROWS AVScheduled
3:45 PM3:45 PM · Sat, Oct 31
BAY RIDGE NARROWS AVScheduled
4:05 PM4:05 PM · Sat, Oct 31
BAY RIDGE NARROWS AVScheduled
4:25 PM4:25 PM · Sat, Oct 31
BAY RIDGE NARROWS AVScheduled
4:45 PM4:45 PM · Sat, Oct 31
BAY RIDGE NARROWS AVScheduled
5:05 PM5:05 PM · Sat, Oct 31
Live data unavailable · Live predictions and published schedule fallbacks are labeled on each departure.
More MTA Brooklyn Bus travel information
Published MTA Brooklyn Bus schedule
Imported Oct 24, 2026 · 04:37 UTC · Service dates 2026-10-08 through 2027-01-02. See data status
Schedule data published by Metropolitan Transit Authority (MTA). Feed discovery and cached source archives from MobilityData. Source details ↗