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Best time to leave — Bidhan Sarani

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: 29.5 km/h.
Fastest hour
3–4 AM
31.4 km/h · 2 min travel
Slowest hour
7–8 PM
11.4 km/h · 5 min travel
Peak slowdown
61%
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 26.2 km/h 2 min 3s −11%
1–2 AM 28.5 km/h 2 min 53s −3%
2–3 AM 30.2 km/h 2 min 46s +2%
3–4 AM 31.4 km/h 2 min 42s +6%
4–5 AM 31.3 km/h 2 min 41s +6%
5–6 AM 29.2 km/h 2 min 48s −1%
6–7 AM 25.4 km/h 2 min 4s −14%
7–8 AM 21 km/h 3 min 31s −29%
8–9 AM 19.3 km/h 3 min 45s −35%
9–10 AM 17.7 km/h 3 min 59s −40%
10–11 AM 16.1 km/h 3 min 17s −45%
11 AM – 12 PM 15.7 km/h 3 min 24s −47%
12–1 PM 14.8 km/h 4 min 40s −50%
1–2 PM 15 km/h 4 min 40s −49%
2–3 PM 15.3 km/h 4 min 34s −48%
3–4 PM 15.3 km/h 4 min 37s −48%
4–5 PM 14.7 km/h 4 min 44s −50%
5–6 PM 13.9 km/h 4 min 59s −53%
6–7 PM 12.5 km/h 4 min 29s −58%
7–8 PM 11.4 km/h 5 min 53s −61%
8–9 PM 11.9 km/h 5 min 56s −60%
9–10 PM 15 km/h 4 min 54s −49%
10–11 PM 18.1 km/h 3 min 10s −39%
11 PM – 12 AM 22.8 km/h 2 min 26s −23%

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