[AdrianR]

Not quite an answer to the question but I think rather relevant…

I’m aware of a number of incidents where cyclists have obeyed temporary traffic signals, only to be faced with oncoming vehicles that have also obeyed them.

The ‘Pink Book’, which constitutes the guidance for contractors on how to set up temporary traffic signals includes information on the appropriate duration of the green and ‘all red’ periods.

Those time periods mean that, if cyclists go through the lights when they first turn green, they should have plenty of time to get through the site before oncoming traffic is an issue. However, if they go through just before the end of their green period, they have to travel at around 10 m/s to get to the other end before traffic starts coming towards them : 10 m/s = 22mph (which is considerably faster than average cycling speeds of around 15 mph and, of course, 49.9% of cyclists are slower than average).

Therefore, there is a good argument for making the ‘all red’ period for temporary traffic signals longer than current guidance indicates is appropriate.

[AdrianR]

Thanks for posing this question lisamac. The NWSRG carried out a membership survey regarding local authority footway treatments a while ago, and a new section of their guidance for practitioners covering treatments for footways and cycleways is currently at UKRB review stage and is therefore hopefully due to be published shortly.

We too would be very interested in hearing from authorities regarding their experiences and/or any data they may have regarding the effectiveness of these treatments.

Adrian

[Author]

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