Effectiveness of speed enforcement through fixed speed cameras: a time series study

Ana M Novoa; Katherine Pérez; Elena Santamariña-Rubio; Marc Marí-Dell'Olmo; Aurelio Tobías

doi:10.1136/ip.2008.021485

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Effectiveness of speed enforcement through fixed speed cameras: a time series study

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	Abstract	Full	Pdf
Feb 2010	51	5	16
Mar 2010	142	11	21
Apr 2010	62	3	8
May 2010	20	3	10
Jun 2010	33	2	6
Jul 2010	29	5	10
Aug 2010	38	3	13
Sep 2010	28	5	13
Oct 2010	46	7	19
Nov 2010	37	4	5
Dec 2010	20	0	3
Jan 2011	28	4	7
Feb 2011	27	1	5
Mar 2011	66	10	19
Apr 2011	45	4	5
May 2011	18	1	4
Jun 2011	31	1	4
Jul 2011	23	2	3
Aug 2011	25	1	0
Sep 2011	16	4	2
Oct 2011	40	1	5
Nov 2011	33	5	8
Dec 2011	33	1	3
Jan 2012	29	3	3
Feb 2012	34	0	0
Mar 2012	28	3	1
Apr 2012	58	1	7
May 2012	68	8	2
Jun 2012	32	1	0
Jul 2012	31	2	2
Aug 2012	63	1	3
Sep 2012	34	1	5
Oct 2012	56	0	1
Nov 2012	49	1	1
Dec 2012	30	1	2
Jan 2013	45	0	1
Feb 2013	23	0	2
Mar 2013	28	1	5
Apr 2013	44	2	7
May 2013	62	1	1
Jun 2013	25	1	0
Jul 2013	16	0	0
Aug 2013	16	1	5
Sep 2013	19	1	4
Oct 2013	31	4	3
Nov 2013	30	1	0
Dec 2013	12	1	2
Jan 2014	14	2	0
Feb 2014	30	4	6
Mar 2014	44	15	1
Apr 2014	27	5	3
May 2014	20	0	2
Jun 2014	30	0	1
Jul 2014	19	1	3
Aug 2014	15	0	3
Sep 2014	25	1	1
Oct 2014	22	2	4
Nov 2014	22	0	2
Dec 2014	11	0	1
Jan 2015	11	3	1
Feb 2015	21	4	3
Mar 2015	49	9	15
Apr 2015	21	1	1
May 2015	11	1	0
Jun 2015	26	1	3
Jul 2015	23	0	1
Aug 2015	14	4	2
Sep 2015	23	2	1
Oct 2015	15	0	1
Nov 2015	31	1	1
Dec 2015	35	0	4
Jan 2016	28	0	1
Feb 2016	9	0	2
Mar 2016	22	4	1
Apr 2016	37	2	5
May 2016	32	2	3
Jun 2016	35	1	1
Jul 2016	36	2	6
Aug 2016	19	0	0
Sep 2016	31	0	4
Oct 2016	26	1	2
Nov 2016	31	5	0
Dec 2016	19	0	3
Jan 2017	17	1	2
Feb 2017	28	3	2
Mar 2017	104	7	1
Apr 2017	30	6	1
May 2017	25	4	0
Jun 2017	50	4	3
Jul 2017	66	3	3
Aug 2017	95	3	2
Sep 2017	93	6	2
Oct 2017	77	2	5
Nov 2017	75	0	0
Dec 2017	55	0	0
Jan 2018	89	2	2
Feb 2018	81	3	3
Mar 2018	71	5	1
Apr 2018	64	2	2
May 2018	64	0	0
Jun 2018	74	0	0
Jul 2018	50	2	2
Aug 2018	43	2	2
Sep 2018	69	4	4
Oct 2018	78	1	9
Nov 2018	111	2	2
Dec 2018	83	0	1
Jan 2019	160	3	0
Feb 2019	106	6	2
Mar 2019	168	9	3
Apr 2019	199	3	1
May 2019	178	3	0
Jun 2019	90	2	0
Jul 2019	55	4	3
Aug 2019	56	2	3
Sep 2019	70	2	2
Oct 2019	68	6	5
Nov 2019	157	9	8
Dec 2019	86	1	1
Jan 2020	94	4	4
Feb 2020	40	1	1
Mar 2020	69	0	1
Apr 2020	24	1	1
May 2020	119	22	19
Jun 2020	64	2	2
Jul 2020	42	1	1
Aug 2020	34	2	1
Sep 2020	57	8	5
Oct 2020	45	1	2
Nov 2020	78	5	1
Dec 2020	56	0	1
Jan 2021	44	0	0
Feb 2021	80	0	1
Mar 2021	56	0	0
Apr 2021	51	0	1
May 2021	16	1	0
Jun 2021	5	3	1
Jul 2021	6	2	0
Aug 2021	1	0	2
Sep 2021	12	5	2
Oct 2021	67	2	1
Nov 2021	69	2	1
Dec 2021	68	1	0
Jan 2022	82	9	2
Feb 2022	51	0	1
Mar 2022	66	0	1
Apr 2022	54	1	0
May 2022	96	6	0
Jun 2022	176	3	2
Jul 2022	51	1	0
Aug 2022	112	3	0
Sep 2022	127	4	0
Oct 2022	83	3	5
Nov 2022	88	5	1
Dec 2022	63	2	2
Jan 2023	49	0	0
Feb 2023	113	0	0
Mar 2023	53	8	3
Apr 2023	67	1	1
May 2023	76	2	0
Jun 2023	82	0	0
Jul 2023	108	1	0
Aug 2023	107	0	1
Sep 2023	82	6	0
Oct 2023	132	3	0
Total	8738	424	478

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