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Transport Bulletin August 2021

Traffic Count Data

Road Traffic Volumes

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Source: Transport Infrastructure Ireland

Following the re-introduction of Level 5 restrictions on 27 December 2020, car traffic volumes dropped significantly at the beginning of this year. However, in line with the gradual lifting of travel restrictions car traffic volumes increased over the first half of 2021. Latest available data for week 30 (week beginning 26 July) show that car traffic volumes were 88.0% higher in Dublin and 119.2% higher in selected regional sites compared with week 1 of this year.

Comparing the latest available data for week 30 to the same week in 2020 shows that the traffic volume of private cars was 8.0% higher in the Dublin sites. Car traffic volumes continue to remain below 2019 levels but the gap between 2021 and 2019 figures is gradually declining. Comparing week 30 with the same week in 2019 shows that car traffic volumes in Dublin were still 13.1% lower in 2021, however, in week 1 of 2021 car traffic volumes in Dublin were 41.2% lower than in week 1 of 2019.

A similar trend is shown when looking at the selected regional sites. The volume of private cars in the regional locations was 7.7% higher in week 30 of 2021 than it was in week 30 of 2020. Car traffic volumes were still 10.1% lower than in week 30 of 2019. However, in week 1 of 2021 regional traffic count volumes were 47.5% below 2019 levels. See table 1.1, figure 1.1 and figure 1.2.

The impact on HGV traffic of COVID-19 restrictions has not been as pronounced as for cars. In general, from June 2020 onwards HGV traffic volumes exceeded 2019 levels, particularly in the lead-up to Christmas. Since the beginning of the year HGV traffic volumes in both regional and Dublin locations have remained below January, February and beginning of March 2020 levels. However, this pattern has since changed. From April 2021 to mid-July 2021 HGV traffic volumes in both regional and Dublin locations have been above 2020 levels. The latest data available (for week beginning 26 July) show that HGV traffic volumes are 2.1% lower in Dublin and 3.1% lower in regional sites compared with the same week in 2020. See table 1.2, figure 1.3 and figure 1.4.

X-axis label	2019	2020	2021
Week 1	463064	459023	272255
Week 2	534609	535401	255928
Week 3	549470	546354	258384
Week 4	550892	556012	265613
Week 5	543468	563146	274482
Week 6	551850	551737	274363
Week 7	567892	547994	292400
Week 8	575255	566784	304825
Week 9	569793	560278	319482
Week 10	570752	563919	333343
Week 11	546053	483016	302788
Week 12	559722	327382	338888
Week 13	592217	248058	327226
Week 14	579543	143557	317690
Week 15	583124	134308	398787
Week 16	560245	134401	411255
Week 17	564764	155938	414958
Week 18	580301	159169	397630
Week 19	569762	169694	460196
Week 20	594815	200968	476938
Week 21	603575	263438	497019
Week 22	587534	286726	503412
Week 23	572720	289055	500566
Week 24	595508	369887	513231
Week 25	593055	397286	512834
Week 26	601581	413348	515383
Week 27	590467	449555	507907
Week 28	587003	463106	526467
Week 29	584356	471550	534571
Week 30	588741	473671	511795
Week 31	579020	476103
Week 32	564465	467430
Week 33	588621	463641
Week 34	599607	459846
Week 35	591575	468215
Week 36	592419	474557
Week 37	588597	477994
Week 38	586374	451770
Week 39	588882	420403
Week 40	572375	417913
Week 41	587243	388453
Week 42	580936	380446
Week 43	583163	338897
Week 44	561316	279363
Week 45	577276	334772
Week 46	579190	346055
Week 47	572909	354476
Week 48	578130	364810
Week 49	579484	427251
Week 50	583247	451974
Week 51	585770	491375
Week 52	423282	376254
Week 53		235248

X-axis label	2019	2020	2021
Week 1	158311	158687	83185
Week 2	173232	175814	80500
Week 3	180472	179424	82449
Week 4	180047	187680	85048
Week 5	172015	187774	89064
Week 6	183723	183195	88159
Week 7	186751	180801	95426
Week 8	192191	195377	98451
Week 9	185374	185090	103837
Week 10	184850	190970	108629
Week 11	179990	160181	99825
Week 12	186557	101789	110154
Week 13	194924	80749	106975
Week 14	191457	47243	106651
Week 15	191186	44648	129277
Week 16	189240	43828	131971
Week 17	192476	50869	133817
Week 18	194851	52442	128842
Week 19	191255	55070	152039
Week 20	196349	65547	159748
Week 21	196073	86890	162685
Week 22	197118	92619	171880
Week 23	191441	94805	174218
Week 24	196687	118789	173329
Week 25	195671	128712	175527
Week 26	198187	135411	179058
Week 27	199642	155568	179929
Week 28	199348	162178	185055
Week 29	197061	166790	185627
Week 30	202725	169314	182335
Week 31	199496	173011
Week 32	197696	172145
Week 33	203866	168549
Week 34	206511	165222
Week 35	200630	168301
Week 36	199271	165670
Week 37	201263	167122
Week 38	199879	167668
Week 39	198275	158986
Week 40	190430	153341
Week 41	197228	136574
Week 42	192724	130745
Week 43	196678	111940
Week 44	192738	89263
Week 45	194668	108262
Week 46	195621	112432
Week 47	195203	115487
Week 48	197541	119023
Week 49	193350	142709
Week 50	194046	149927
Week 51	195796	164733
Week 52	140418	126966
Week 53		81881

Table 1.1 Average weekly volume of cars for selected traffic count sites, 2019 to 01 August 2021

Table 1.1 Average weekly volume of cars for selected traffic count sites, 2019 to 01 August 2021
Week number	Reference month	Dublin				Regional
Week number	Reference month	2019	2020	2021	% change	2019	2020	2021	% change
1	Dec / Jan	463,064	459,023	272,255	-40.7	158,311	158,687	83,185	-47.6
2	January	534,609	535,401	255,928	-52.2	173,232	175,814	80,500	-54.2
3	January	549,470	546,354	258,384	-52.7	180,472	179,424	82,449	-54.0
4	January	550,892	556,012	265,613	-52.2	180,047	187,680	85,048	-54.7
5	Jan/Feb	543,468	563,146	274,482	-51.3	172,015	187,774	89,064	-52.6
6	February	551,850	551,737	274,363	-50.3	183,723	183,195	88,159	-51.9
7	February	567,892	547,994	292,400	-46.6	186,751	180,801	95,426	-47.2
8	February	575,255	566,784	304,825	-46.2	192,191	195,377	98,451	-49.6
9	February	569,793	560,278	319,482	-43.0	185,374	185,090	103,837	-43.9
10	March	570,752	563,919	333,343	-40.9	184,850	190,970	108,629	-43.1
11	March	546,053	483,016	302,788	-37.3	179,990	160,181	99,825	-37.7
12	March	559,722	327,382	338,888	3.5	186,557	101,789	110,154	8.2
13	Mar/Apr	592,217	248,058	327,226	31.9	194,924	80,749	106,975	32.5
14	April	579,543	143,557	317,690	121.3	191,457	47,243	106,651	125.7
15	April	583,124	134,308	398,787	196.9	191,186	44,648	129,277	189.5
16	April	560,245	134,401	411,255	206.0	189,240	43,828	131,971	201.1
17	Apr/May	564,764	155,938	414,958	166.1	192,476	50,869	133,817	163.1
18	May	580,301	159,169	397,630	149.8	194,851	52,442	128,842	145.7
19	May	569,762	169,694	460,196	171.2	191,255	55,070	152,039	176.1
20	May	594,815	200,968	476,938	137.3	196,349	65,547	159,748	143.7
21	May	603,575	263,438	497,019	88.7	196,073	86,890	162,685	87.2
22	May	587,534	286,726	503,412	75.6	197,118	92,619	171,880	85.6
23	June	572,720	289,055	500,566	73.2	191,441	94,805	174,218	83.8
24	June	595,508	369,887	513,231	38.8	196,687	118,789	173,329	45.9
25	June	593,055	397,286	512,834	29.1	195,671	128,712	175,527	36.4
26	June	601,581	413,348	515,383	24.7	198,187	135,411	179,058	32.2
27	Jun / Jul	590,467	449,555	507,907	13.0	199,642	155,568	179,929	15.7
28	July	587,003	463,106	526,467	13.7	199,348	162,178	185,055	14.1
29	July	584,356	471,550	534,571	13.4	197,061	166,790	185,627	11.3
30	July	588,741	473,671	511,795	8.0	202,725	169,314	182,335	7.7
31	Jul / Aug	579,020	476,103		-17.8	199,496	173,011		-13.3
32	August	564,465	467,430		-17.2	197,696	172,145		-12.9
33	August	588,621	463,641		-21.2	203,866	168,549		-17.3
34	August	599,607	459,846		-23.3	206,511	165,222		-20.0
35	August	591,575	468,215		-20.9	200,630	168,301		-16.1
36	Aug / Sept	592,419	474,557		-19.9	199,271	165,670		-16.9
37	September	588,597	477,994		-18.8	201,263	167,122		-17.0
38	September	586,374	451,770		-23.0	199,879	167,668		-16.1
39	September	588,882	420,403		-28.6	198,275	158,986		-19.8
40	Sept / Oct	572,375	417,913		-27.0	190,430	153,341		-19.5
41	October	587,243	388,453		-33.9	197,228	136,574		-30.8
42	October	580,936	380,446		-34.5	192,724	130,745		-32.2
43	October	583,163	338,897		-41.9	196,678	111,940		-43.1
44	October	561,316	279,363		-50.2	192,738	89,263		-53.7
45	November	577,276	334,772		-42.0	194,668	108,262		-44.4
46	November	579,190	346,055		-40.3	195,621	112,432		-42.5
47	November	572,909	354,476		-38.1	195,203	115,487		-40.8
48	November	578,130	364,810		-36.9	197,541	119,023		-39.7
49	Nov / Dec	579,484	427,251		-26.3	193,350	142,709		-26.2
50	December	583,247	451,974		-22.5	194,046	149,927		-22.7
51	December	585,770	491,375		-16.1	195,796	164,733		-15.9
52	December	423,282	376,254		-11.1	140,418	126,966		-9.6
53	Dec/Jan		235,248				81,881
Source: Transport Infrastructure Ireland

Open in Excel: Transport Bulletin 2021 Series 16 Table 1.1 (XLS 14KB)

X-axis label	2019	2020	2021
Week 1	23838	21007	37827
Week 2	38353	42054	35905
Week 3	39973	43727	36698
Week 4	40314	44415	37463
Week 5	40709	44479	38621
Week 6	40682	44839	38444
Week 7	41778	43672	39031
Week 8	41783	44516	39375
Week 9	42588	44497	41836
Week 10	42979	46362	41981
Week 11	41785	47411	37885
Week 12	38313	40137	43558
Week 13	43440	44447	41840
Week 14	43310	28099	37786
Week 15	42998	25812	45445
Week 16	40096	23460	46328
Week 17	35429	27389	46462
Week 18	42366	28668	40408
Week 19	37060	26065	46449
Week 20	42644	30139	46268
Week 21	42946	38828	46158
Week 22	42419	41753	46647
Week 23	38651	38104	41210
Week 24	43891	43727	46322
Week 25	44160	43846	45761
Week 26	43695	44004	45649
Week 27	43422	45038	46107
Week 28	42534	44822	45397
Week 29	42507	44049	44981
Week 30	41604	44327	43417
Week 31	40527	43459
Week 32	37706	38129
Week 33	42592	43811
Week 34	42878	43282
Week 35	43586	43934
Week 36	44461	44803
Week 37	44727	45076
Week 38	44917	46214
Week 39	45197	46030
Week 40	44118	46474
Week 41	44632	45906
Week 42	44899	46591
Week 43	45342	46845
Week 44	39478	41479
Week 45	43402	46947
Week 46	43796	46837
Week 47	42971	47281
Week 48	43419	48101
Week 49	44217	48718
Week 50	44302	49328
Week 51	45311	50049
Week 52	13757	25598
Week 53		15878

X-axis label	2019	2020	2021
Week 1	8869	7676	13374
Week 2	14282	14148	13761
Week 3	14646	14236	13799
Week 4	14251	14918	14094
Week 5	14171	15038	14553
Week 6	14617	15084	14612
Week 7	14756	14686	14476
Week 8	14727	15090	14672
Week 9	15125	15032	15436
Week 10	15260	15651	15222
Week 11	15170	15966	13867
Week 12	13812	13854	15774
Week 13	15902	15147	15453
Week 14	15818	11202	13836
Week 15	15827	10674	16280
Week 16	14946	9523	16345
Week 17	13381	11187	16579
Week 18	15685	11414	14643
Week 19	13975	10430	16748
Week 20	15741	12092	16371
Week 21	15605	13617	16443
Week 22	15711	14151	16796
Week 23	14022	13070	14626
Week 24	15891	15152	16269
Week 25	15783	15319	16297
Week 26	15605	15378	16114
Week 27	15716	15500	16092
Week 28	15630	15785	15997
Week 29	15651	15904	15813
Week 30	15382	15899	15406
Week 31	14837	15345
Week 32	13487	13485
Week 33	15196	15506
Week 34	15265	15132
Week 35	15234	15445
Week 36	15343	15377
Week 37	15311	15996
Week 38	15143	15885
Week 39	15228	15779
Week 40	15251	15873
Week 41	15433	16039
Week 42	15481	16133
Week 43	15743	16066
Week 44	13488	13977
Week 45	15373	16082
Week 46	15730	16220
Week 47	15306	16285
Week 48	15520	15903
Week 49	16320	16974
Week 50	16000	17389
Week 51	16195	17515
Week 52	4882	9307
Week 53		5759

Table 1.2 Average weekly volume of heavy goods vehicles for selected traffic count sites, 2019 to 01 August 2021

Table 1.2 Average weekly volume of heavy goods vehicles for selected traffic count sites, 2019 to 01 August 2021
Week number	Reference month	Dublin				Regional
Week number	Reference month	2019	2020	2021	% change	2019	2020	2021	% change
1	Dec / Jan	23,838	21,007	37,827	80.1	8,869	7,676	13,374	74.2
2	January	38,353	42,054	35,905	-14.6	14,282	14,148	13,761	-2.7
3	January	39,973	43,727	36,698	-16.1	14,646	14,236	13,799	-3.1
4	January	40,314	44,415	37,463	-15.7	14,251	14,918	14,094	-5.5
5	Jan/Feb	40,709	44,479	38,621	-13.2	14,171	15,038	14,553	-3.2
6	February	40,682	44,839	38,444	-14.3	14,617	15,084	14,612	-3.1
7	February	41,778	43,672	39,031	-10.6	14,756	14,686	14,476	-1.4
8	February	41,783	44,516	39,375	-11.5	14,727	15,090	14,672	-2.8
9	February	42,588	44,497	41,836	-6.0	15,125	15,032	15,436	2.7
10	March	42,979	46,362	41,981	-9.4	15,260	15,651	15,222	-2.7
11	March	41,785	47,411	37,885	-20.1	15,170	15,966	13,867	-13.1
12	March	38,313	40,137	43,558	8.5	13,812	13,854	15,774	13.9
13	Mar/Apr	43,440	44,447	41,840	-5.9	15,902	15,147	15,453	2.0
14	April	43,310	28,099	37,786	34.5	15,818	11,202	13,836	23.5
15	April	42,998	25,812	45,445	76.1	15,827	10,674	16,280	52.5
16	April	40,096	23,460	46,328	97.5	14,946	9,523	16,345	71.6
17	Apr/May	35,429	27,389	46,462	69.6	13,381	11,187	16,579	48.2
18	May	42,366	28,668	40,408	41.0	15,685	11,414	14,643	28.3
19	May	37,060	26,065	46,449	78.2	13,975	10,430	16,748	60.6
20	May	42,644	30,139	46,268	53.5	15,741	12,092	16,371	35.4
21	May	42,946	38,828	46,158	18.9	15,605	13,617	16,443	20.8
22	May	42,419	41,753	46,647	11.7	15,711	14,151	16,796	18.7
23	June	38,651	38,104	41,210	8.2	14,022	13,070	14,626	11.9
24	June	43,891	43,727	46,322	5.9	15,891	15,152	16,269	7.4
25	June	44,160	43,846	45,761	4.4	15,783	15,319	16,297	6.4
26	June	43,695	44,004	45,649	3.7	15,605	15,378	16,114	4.8
27	Jun / Jul	43,422	45,038	46107	2.4	15,716	15,500	16,092	3.8
28	July	42,534	44,822	45397	1.3	15,630	15,785	15,997	1.3
29	July	42,507	44,049	44981	2.1	15,651	15,904	15,813	-0.6
30	July	41,604	44,327	43417	-2.1	15,382	15,899	15,406	-3.1
31	Jul / Aug	40,527	43,459		7.2	14,837	15,345		3.4
32	August	37,706	38,129		1.1	13,487	13,485		0.0
33	August	42,592	43,811		2.9	15,196	15,506		2.0
34	August	42,878	43,282		0.9	15,265	15,132		-0.9
35	August	43,586	43,934		0.8	15,234	15,445		1.4
36	Aug / Sept	44,461	44,803		0.8	15,343	15,377		0.2
37	September	44,727	45,076		0.8	15,311	15,996		4.5
38	September	44,917	46,214		2.9	15,143	15,885		4.9
39	September	45,197	46,030		1.8	15,228	15,779		3.6
40	Sept / Oct	44,118	46,474		5.3	15,251	15,873		4.1
41	October	44,632	45,906		2.9	15,433	16,039		3.9
42	October	44,899	46,591		3.8	15,481	16,133		4.2
43	October	45,342	46,845		3.3	15,743	16,066		2.1
44	October	39,478	41,479		5.1	13,488	13,977		3.6
45	November	43,402	46,947		8.2	15,373	16,082		4.6
46	November	43,796	46,837		6.9	15,730	16,220		3.1
47	November	42,971	47,281		10.0	15,306	16,285		6.4
48	November	43,419	48,101		10.8	15,520	15,903		2.5
49	Nov / Dec	44,217	48,718		10.2	16,320	16,974		4.0
50	December	44,302	49,328		11.3	16,000	17,389		8.7
51	December	45,311	50,049		10.5	16,195	17,515		8.2
52	December	13,757	25,598		86.1	4,882	9,307		90.6
53	Dec/Jan		15,878				5,759
Source: Transport Infrastructure Ireland

Open in Excel: Transport Bulletin 2021 Series 16 Table 1.2 (XLS 14KB)

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