Scottish Transport Statistics No18: 1999 Edition: Page 25

Scottish Transport Statistics No18: 1999 Edition

Figure 5.1 Trunk road area constructed/strengthened etc, 1987-88 to 1997-98

Fig 5.1

Table 5.1 Public road lengths (as at 1 April) by class, type and speed limit

		1988	1989	1990	1991	1992	1993	1994	1995	1996	1997	1998
kilometres
Trunk roads
	Motorways
	Excluding slip roads	233	233	234	233	244	254	274	283	311	329	369
	Including slip roads	310	311	312	315	326	339	368	388	460	483	532
	A roads
	Dual carriageway	459	466	477	500	489	484	476	458	576	528	475
	Single carriageway	2,451	2,441	2,434	2,414	2,383	2,384	2,384	2,393	2,432	2,422	2,460
	Total	2,910	2,907	2,911	2,914	2,872	2,869	2,860	2,851	3,008	2,949	2,936
	by speed limit:
	up to 40 mph	239	235	223	218	211	216	214	215	234	211	223
	over 40 mph	2,672	2,672	2,688	2,696	2,661	2,653	2,646	2,636	2,774	2,738	2,713

	All trunk roads (*)	3,220	3,218	3,223	3,229	3,197	3,207	3,227	3,238	3,468	3,432	3,468

Local Authority major roads
	Motorways
	Excluding slip roads	24	24	24	24	24	31	31	27	-	-	-
	Including slip roads	46	47	47	47	47	57	57	53	-	-	-
	A roads
	Dual carriageway	245	249	270	298	299	299	283	259	209	212	214
	Single carriageway	7,375	7,382	7,398	7,347	7,348	7,308	7,272	7,323	7,149	7,161	7,169
	Total	7,620	7,631	7,668	7,644	7,647	7,606	7,555	7,582	7,358	7,373	7,383
	by speed limit:
	up to 40 mph	1,252	1,246	1,250	1,242	1,243	1,271	1,244	1,364	1,331	1,367	1,383
	over 40 mph	6,367	6,384	6,418	6,403	6,403	6,336	6,311	6,217	6,027	6,006	6,000

	All LA major roads (*)	7,665	7,678	7,715	7,692	7,694	7,664	7,613	7,635	7,358	7,373	7,383

Local Authority minor roads
	B roads
	limit up to 40 mph	790	792	795	830	836	841	890	918	1,021	1,046	1,056
	limit over 40 mph	6,361	6,371	6,365	6,409	6,437	6,411	6,421	5,820	6,293	6,330	6,303
	Total	7,151	7,163	7,160	7,239	7,273	7,252	7,311	6,738	7,313	7,375	7,359
	C roads
	limit up to 40 mph	979	977	978	1,012	992	997	1,056	1,197	1,121	1,113	1,131
	limit over 40 mph	9,237	9,245	9,249	9,256	9,243	9,254	9,247	9,725	9,287	9,239	9,209
	Total	10,216	10,223	10,227	10,248	10,234	10,251	10,303	10,921	10,408	10,352	10,340
	Unclassified roads
	limit up to 40 mph	11,175	11,337	11,432	11,542	11,623	11,723	12,232	12,598	12,693	13,126	13,321
	limit over 40 mph	11,878	11,948	11,944	11,974	12,028	12,037	11,660	11,672	11,837	11,491	11,455
	Total	23,052	23,285	23,377	23,516	23,651	23,760	23,892	24,270	24,530	24,618	24,776

	All LA minor roads	40,420	40,670	40,765	41,003	41,158	41,264	41,506	41,929	42,252	42,345	42,474

All roads (trunk and LA)
	Motorways
	Excluding slip roads	258	258	259	257	269	286	305	311	311	329	369
	Including slip roads	356	359	359	363	373	396	425	441	460	483	532
	A, B and C roads
	Dual carriageway	757	770	805	866	864	862	863	832	861	821	772
	Single carriageway	27,140	27,153	27,160	27,199	27,161	27,117	27,166	27,260	27,226	27,229	27,245
	Total	27,897	27,923	27,966	28,045	28,026	27,979	28,029	28,092	28,087	28,049	28,017
	by speed limit:
	up to 40 mph	3,260	3,251	3,246	3,302	3,282	3,325	3,404	3,694	3,706	3,737	3,793
	over 40 mph	24,637	24,672	24,720	24,763	24,744	24,653	24,625	24,398	24,381	24,312	24,224
	Unclassified roads
	limit up to 40 mph	11,175	11,337	11,432	11,542	11,623	11,723	12,232	12,598	12,693	13,126	13,321
	limit over 40 mph	11,878	11,948	11,944	11,974	12,028	12,037	11,660	11,672	11,837	11,491	11,455
	Total	23,052	23,285	23,377	23,516	23,651	23,760	23,892	24,270	24,530	24,618	24,776

	All roads (*)	51,305	51,566	51,702	51,923	52,049	52,135	52,346	52,802	53,078	53,149	53,325

(*) including Motorway slip road