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Best time to leave — BB Ganguly Street

Hour-by-hour average speeds and travel times across this Kolkata corridor, measured from real road data.

Route measured in partnership with Kolkata Traffic Police. Free-flow reference: 26 km/h.
Fastest hour
4–5 AM
27.4 km/h · 1 min travel
Slowest hour
6–7 PM
13.1 km/h · 3 min travel
Peak slowdown
50%
Slower than free-flow

Speed by hour of day (IST)

01234567891011121314151617181920212223
Fastest hour Slowest hour Other hours Bar height = % of free-flow speed

All hours (IST)

Hour (IST)Avg speedTravel timevs free-flow
12–1 AM 24.4 km/h 1 min 11s −6%
1–2 AM 25 km/h 1 min 10s −4%
2–3 AM 25.9 km/h 1 min 7s +0%
3–4 AM 27 km/h 1 min 4s +4%
4–5 AM 27.4 km/h 1 min 4s +5%
5–6 AM 25.8 km/h 1 min 7s −1%
6–7 AM 23.6 km/h 1 min 13s −9%
7–8 AM 20.4 km/h 1 min 27s −22%
8–9 AM 20 km/h 1 min 27s −23%
9–10 AM 18.5 km/h 2 min 35s −29%
10–11 AM 17 km/h 2 min 43s −35%
11 AM – 12 PM 16.3 km/h 2 min 50s −37%
12–1 PM 15.1 km/h 2 min 1s −42%
1–2 PM 14.6 km/h 2 min 9s −44%
2–3 PM 15 km/h 2 min 5s −42%
3–4 PM 15.8 km/h 2 min 54s −39%
4–5 PM 15 km/h 2 min 2s −42%
5–6 PM 13.6 km/h 2 min 15s −48%
6–7 PM 13.1 km/h 3 min 51s −50%
7–8 PM 13.4 km/h 3 min 31s −48%
8–9 PM 15.8 km/h 2 min 53s −39%
9–10 PM 18.4 km/h 2 min 35s −29%
10–11 PM 20.9 km/h 1 min 23s −20%
11 PM – 12 AM 23 km/h 1 min 15s −12%

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