Table TD10a: [Congestion - reason] Reason for congestion for car / van stages, 2012-2013

Table TD10a: [Congestion - reason] Reason for congestion for car / van stages, 2012-2013

Table TD10a: [Congestion - reason] Reason for congestion for car / van stages, 2012-2013 ¹

	2012	2013
Volume of traffic	72.8	80.0
Road or maintenance works / temporary traffic lights	25.8	17.9
Road accident	1.1	1.6
Broken down car	0.7	**
Traffic lights / signals not working	3.1	2.6
Lane blocked by parked cars	1.3	**
Bad weather	1.4	1.6
Other	2.8	3.2
Don't know	0.4	**
Sample size (=100%)	808	779

1. Respondents can provide more than one reason so percentages will not add up to 100%
** Less than 1% and supressed as based on less than 5 responses