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Road traffic statistics

16374

Details

AADF latest year 2021
Region South West
Local authority South Gloucestershire
Road name A38
Road type Major
Start junction road A4174
End junction road B4057
Link length 1.80km (1.12 miles)
Easting & Northing 360443,179923
Latitude & longitude 51.51683,-2.57147

Location

Contents

Average Annual Daily Flow

Average annual daily flow
Year Count method All motor vehicles Cars & taxis LGVs HGVs Pedal cycles Motorcycles Buses & coaches
2021 Estimated using AADF from previous year on this link 29,157 25,612 2,560 476 840 307 201
2020 Manual count 26,525 23,248 2,348 444 1,028 290 195
2019 Estimated using AADF from previous year on this link 37,517 32,351 3,899 444 1,241 530 293
2018 Manual count 37,183 31,950 3,934 444 1,131 565 290
2017 Estimated using AADF from previous year on this link 35,396 30,033 3,792 586 744 595 390
2016 Estimated using AADF from previous year on this link 35,446 30,256 3,602 582 777 589 417
2015 Estimated using AADF from previous year on this link 34,710 29,791 3,297 569 834 602 450
2014 Estimated using AADF from previous year on this link 35,104 30,348 3,135 575 897 592 454
2013 Manual count 34,936 30,666 2,753 532 925 557 428
2012 Estimated using AADF from previous year on this link 34,160 29,113 3,270 538 1,340 735 505
2011 Estimated using AADF from previous year on this link 34,517 29,237 3,405 591 1,417 814 470
2010 Estimated using AADF from previous year on this link 34,509 29,384 3,302 585 1,285 768 470
2009 Manual count 35,191 30,015 3,286 610 1,285 833 447
2008 Manual count 38,275 32,705 3,452 748 832 932 438
2007 Manual count 48,205 41,710 3,835 1,294 806 838 528
2006 Manual count 45,300 39,763 2,852 1,332 753 810 543
2005 Manual count 43,680 37,826 3,205 1,255 841 871 523
2004 Manual count 43,645 37,539 3,644 946 976 1,062 454
2003 Manual count 42,239 36,736 3,249 919 813 909 426
2002 Estimated using AADF from previous year on this link 47,112 40,519 3,671 1,017 921 1,386 519
2001 Manual count 47,176 40,600 3,663 1,034 885 1,371 508
2000 Estimated using AADF from previous year on this link 39,535 33,769 3,585 902 624 795 484

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Data disclaimer

Traffic figures at the regional and national level are robust, and are reported as accredited official statistics. However, DfT’s traffic estimates for individual road links and small areas are less robust, as they are not always based on up-to-date counts made at these locations. Where other more up-to-date sources of traffic data are available (e.g. from local highways authorities), this may provide a more accurate estimate of traffic at these locations.

It is the responsibility of the user to decide which data are most appropriate for their purpose, and if DfT road link level traffic estimates are used, to make a note of the limitations in any published material.

Quality flags in data downloads

DfT’s road link level traffic estimates are calculated using a variety of methods, with some methods likely to produce more accurate estimates than others.

The data tables available to download here contain a column - estimation_method – showing the method used to estimate traffic for each location and year. Figures having an estimation method of “Counted” are likely to be more accurate than those marked as “Estimated”, and the latter should be used with caution.

Site details
Manual count point site 16374 details
Average annual daily flow
Number of vehicles that travel past the count point (in both directions) on an average day of the year.
Average annual daily flow by direction
Number of vehicles that travel past the count point on an average day of the year, by direction of travel.
Raw counts
Vehicle counts recorded at this count point.
Data Description Records Download
Site details Manual count point site 16374 details 1
Average annual daily flow Number of vehicles that travel past the count point (in both directions) on an average day of the year. 22
Average annual daily flow by direction Number of vehicles that travel past the count point on an average day of the year, by direction of travel. 44
Raw counts Vehicle counts recorded at this count point. 264

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