Ten provinces with most road traffic accidents: 2009 - 2011
 2009 
RankProvincesNumber
1Bangkok49,922
2Surat Thani4,139
3Ubon Ratchathani2,502
4Chiang Mai2,397
5Phra Nakhon Si Ayutthaya2,059
6Nakhon Si Thammarat1,673
7Chon Buri1,619
8Samut Prakan1,555
9Nakhon Ratchasima1,456
10Pathum Thani1,109
 Whole Kingdom92,082
 2010 
RankProvincesNumber
1Bangkok44,890
2Chiang Mai3,202
3Surat Thani3,044
4Samut Prakan2,716
5Chon Buri1,532
6Nakhon Si Thammarat1,470
7Lop Buri1,173
8Nakhon Ratchasima1,122
9Pathum Thani1,047
10Chiang Rai1,040
 Whole Kingdom83,261
 2011 
RankProvincesNumber
1Bangkok35,703
2Chiang Mai3,901
3Samut Prakan2,979
4Nakhon Si Thammarat1,310
5Surat Thani1,298
6Chiang Rai1,268
7Nakhon Ratchasima1,191
8Ubon Ratchathani781
9Nakhon Sawan744
10Saraburi661
 Whole Kingdom68,582
Souce :  Royal Thai Police
Compiled by : Statistical Forecasting Bureau,  National Statistical Office