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We do have data on the 267 westbound covering 2020, 2021 and the first couple of months of 2022. The 267 runs from Hammersmith to Gunnersbury Station and would have likely been requested as the route and direction would be sensitive to any delays due to C9. A reasonable baseline is the period before the pandemic, up to March 2020. The average delay during the pm peak, from 1600 to 1900, over that period was just under 5 minutes. If we compare to the entire period that C9(T) was open, from 22/12/2020 to 22/11/21, the average delay was again just under 5 minutes.  There was no delay in the same period in 2021 as the baseline - the  267 ran 5 mins faster than the baseline with C9(T) open compared to a year earlier. Of course traffic will have been affected by the pandemic, and that might have offset any delays due to C9(T). However, the data for 2022, when the stretch of C9 from Goldhawk Road to Chiswick Lane was under construction, and traffic levels had returned very close to normal, shows less than 30 s delay, better than the baseline.  Overall the actual 267 westbound pm peak run times which should be most sensitive to any delays from C9 show no evidence of increased run times, rather the opposite. This reflects that the length of bus lane removed was minimal, a short stretch in front of the old police station, and the bus islands allow buses to pull out immediately into empty road rather than waiting for a gap in traffic.  The data can be downloaded from the TfL FOI website under FOI-2644-2122 if anyone wants to do their own analysis.

Tom Pike ● 1416d