Maher, MJ;
(2015)
A note on the modelling of TfL fixed speed camera data.
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Abstract
The note describes the analysis and modelling of data on Transport for London's fixed and red-light speed cameras. It firstly investigates the data to see what can be deduced about the distribution of the site selection period (SSP) for the cameras, and how best to model the data using the four time period method to avoid the problem of regression to the mean. The objective is to determine what effect the cameras have had on reducing PICs (personal injury collisions) and FSCs (fatal and serious collisions).
| Type: | Report |
|---|---|
| Title: | A note on the modelling of TfL fixed speed camera data |
| Open access status: | An open access version is available from UCL Discovery |
| Additional information: | The note was prepared for informal discussions with TfL staff. The work was carried out independently and without any financial or other assistance from TfL apart from the provision of the data. |
| Keywords: | Speed cameras, Statistical modelling |
| UCL classification: | UCL > Provost and Vice Provost Offices UCL > Provost and Vice Provost Offices > UCL BEAMS UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Civil, Environ and Geomatic Eng |
| URI: | https://discovery.ucl.ac.uk/id/eprint/1474826 |
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