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A420, Chippenham, Wiltshire

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Traffic Region: South West

Traffic Authority: Wiltshire

Road Number: A420

Road Type: Class A Principal road in Urban area

OS Grid: ST905742

Location: Chippenham

Census Point ID: 99859

Census Point Coverage: A420 between A350 and B4528 N

Traffic by Year

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Traffic statistics by year: All traffic

200020012002200320042005200620072008200920102011201220132014201520162017
Pedal Cycles474547423429452850505055525150464371
Motorcycles and Mopeds151158164233153126110105144161153129123137132116114126
Cars10,85010,51310,68110,28610,4199,9419,7519,59511,88612,14812,07512,03811,85011,74612,06412,30312,49513,921
Buses and Coaches110116116112928781738483948997101971059789
Light Goods Vehicles1,1871,1951,2811,3911,5321,6331,6581,7451,7941,8211,9452,1702,1962,2822,4402,5592,7952,171
Two-axle Rigid HGVs303289273265322349336313236215229233236238243231234164
Three-axle Rigid HGVs444950516669656133333337404449504936
Four-axle Rigid HGVs484647506676777961585158667582788837
Three-axle Articulated HGVs3629272527211714111113118656612
Five-axle Articulated HGVs493934302823191522191818161512121123
Six-axle Articulated HGVs141416182120191817171719181817171633
All HGVs494466447439530558533500380353361376384396409393405305
All motor vehicles12,79212,44812,68912,46112,72612,34512,13312,01814,28814,56614,62814,80214,65014,66215,14215,47715,90616,611

Traffic statistics by year: Eastbound

200020012002200320042005200620072008200920102011201220132014201520162017
Pedal Cycles181718161311171129292932303029272528
Motorcycles and Mopeds129135140199131108949076858168657269615962
Cars5,3085,1435,2255,0325,0974,8634,7704,6946,0876,2216,1846,1656,0696,0156,1786,3016,4517,055
Buses and Coaches545757554543403646455148525553575643
Light Goods Vehicles5765806226757447938058479249381,0021,1181,1311,1761,2571,3191,4161,062
Two-axle Rigid HGVs14413712912515216515914811610611311511611712011411876
Three-axle Rigid HGVs171919192526252317171719212325262517
Four-axle Rigid HGVs191818192529293027262326303437353819
Three-axle Articulated HGVs191514131411975565332333
Five-axle Articulated HGVs23181614131197121099886668
Six-axle Articulated HGVs6678998888899988921
All HGVs228213203198238251239223185172176183187192199191199144
All motor vehicles6,2956,1286,2476,1596,2556,0585,9485,8907,3187,4617,4947,5827,5047,5107,7567,9288,1808,367

Traffic statistics by year: Westbound

200020012002200320042005200620072008200920102011201220132014201520162017
Pedal Cycles292829262118281721212123222121191842
Motorcycles and Mopeds222324342218161568767261586562555263
Cars5,5425,3705,4565,2545,3225,0784,9814,9015,7995,9275,8915,8735,7815,7305,8866,0026,1466,866
Buses and Coaches565959574744413738384341454745484846
Light Goods Vehicles6116156597167888408538988708839431,0521,0641,1061,1831,2411,3321,109
Two-axle Rigid HGVs15915214414017018417716512010911611811912012311712187
Three-axle Rigid HGVs273031324143403816161618202124242419
Four-axle Rigid HGVs292829314147484934322832364145434719
Three-axle Articulated HGVs171413121310876676433339
Five-axle Articulated HGVs262118161512108109998866615
Six-axle Articulated HGVs8891012111110999101010991012
All HGVs266253244241292307294277195181185193197203210202211160
All motor vehicles6,4976,3206,4426,3026,4716,2876,1856,1286,9707,1057,1347,2207,1467,1527,3867,5487,7898,244

Notes

Figures are daily averages calculated from all traffic counts over the course of the year.

Values are rounded to the nearest whole number.

A value of zero for any entry means that there were either no recorded vehicles of that type or too few to register after rounding.

A blank value means that there were no counts made in that year.

Click or tap on the column headings to see a pie chart of the data.

All public sector data is licensed under the Open Government Licence v2.0.

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