SCOTTISH TRANSPORT STATISTICS No 20: 2001 Edition: page 49


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SCOTTISH TRANSPORT STATISTICS No 20

Table 6.1 Traffic by road class and speed limit ¹

	1990	1991	1992	1993	1994	1995	1996	1997	1998	1999	2000
million vehicle kilometres
Major roads
Motorway	3,286	3,200	3,516	3,360	3,640	3,929\|	3,982	4,273	4,949	5,026	5,334
Trunk A roads
speed limit up to 40 mph²	774	795	827	749	905	877\|	1,264	1,140	1,235\|	718	721
speed limit over 40 mph²	6,834	7,044	6,931	7,170	7,479	8,083\|	7,754	7,715	7,552\|	8,425	8,049
Total	7,608	7,839	7,758	7,919	8,384	8,960\|	9,018	8,855	8,787	9,143	8,770
Non-trunk A roads
speed limit up to 40 mph²	4,880	4,925	5,662	5,553	5,482	5,717\|	5,490	5,472	5,464\|	4,223	4,209
speed limit over 40 mph²	6,013	5,983	5,640	5,939	6,436	6,641\|	5,998	6,075	6,397\|	7,041	6,882
Total	10,893	10,908	11,302	11,492	11,918	12,358\|	11,488	11,547	11,861	11,264	11,091
All A roads
speed limit up to 40 mph²	5,654	5,720	6,489	6,302	6,387	6,594\|	6,754	6,612	6,699\|	4,941	4,930
speed limit over 40 mph²	12,847	13,027	12,571	13,109	13,915	14,724\|	13,752	13,790	13,949\|	15,466	14,931
Total	18,501	18,747	19,060	19,411	20,302	21,318\|	20,506	20,402	20,648	20,407	19,861
All major roads	21,786	21,947	22,575	22,770	23,942	25,247\|	24,487	24,676	25,597	25,433	25,195
Minor roads
B roads
speed limit up to 40 mph	..	..	..	..	..	..	..	..	2,108	2,226	2,234
speed limit over 40 mph	..	..	..	..	..	..	..	..	2,752	2,696	2,724
Total	..	..	..	..	..	..	..	..	4,860	4,922	4,958
C roads
speed limit up to 40 mph	..	..	..	..	..	..	..	..	1,376	1,532	1,538
speed limit over 40 mph	..	..	..	..	..	..	..	..	1,571	1,574	1,603
Total	..	..	..	..	..	..	..	..	2,947	3,106	3,141
Unclassified roads
speed limit up to 40 mph	..	..	..	..	..	..	..	..	7,971	8,461	8,490
speed limit over 40 mph	..	..	..	..	..	..	..	..	1,400	1,416	1,425
Total	..	..	..	..	..	..	..	..	9,371	9,877	9,915
All minor roads
speed limit up to 40 mph	..	..	..	..	..	..	..	..	11,455	12,219	12,262
speed limit over 40 mph	..	..	..	..	..	..	..	..	5,723	5,686	5,752
Total all minor roads	..	..	..	..	..	..	..	..	17,178	17,905	18,014
All roads	..	..	..	..	..	..	..	..	42,775	43,338	43,208

1. The figures for 1995 (and earlier years) are not directly comparable to the figures for 1996 (and later years), as is explained in the text.
2. Improving the estimation method changed the split by speed limit of the total volume of traffic on major roads between 1998 and 1999 (see the text).

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