1990

1991

1992

1993

1994

1995

1996

1997

1998

1999

2000

kilometres

Trunk roads

Motorways

Excluding slip roads

234

233

244

254

274

283|

311

329

369

371|

378

Including slip roads

312

315

326

339

368

388|

460

483

532

543|

537

A roads

Dual carriageway

477

500

489

484

476

458|

576

528

475

464

481

Single carriageway

2,434

2,414

2,383

2,384

2,384

2,393|

2,432

2,422

2,460

2,473

2,470

Total

2,911

2,914

2,872

2,869

2,860

2,851|

3,008

2,949

2,936

2,936

2,951

by speed limit:

up to 40 mph

223

218

211

216

214

215|

234

211

223

248

248

over 40 mph

2,688

2,696

2,661

2,653

2,646

2,636|

2,774

2,738

2,713

2,689

2,703

All trunk roads (*)

3,223

3,229

3,197

3,207

3,227

3,238|

3,468

3,432

3,468

3,479

3,488

Motorways

Excluding slip roads

24

24

24

31

31

27|

-

-

-

-

-

Including slip roads

47

47

47

57

57

53|

-

-

-

-

-

A roads

Dual carriageway

270

298

299

299

283

259|

209

212

214

219

225

Single carriageway

7,398

7,347

7,348

7,308

7,272

7,323|

7,149

7,161

7,169

7,171

7,188

Total

7,668

7,644

7,647

7,606

7,555

7,582|

7,358

7,373

7,383

7,390

7,414

by speed limit:

up to 40 mph

1,250

1,242

1,243

1,271

1,244

1,364|

1,331

1,367

1,383

1,385

1,416

over 40 mph

6,418

6,403

6,403

6,336

6,311

6,217|

6,027

6,006

6,000

6,005

5,998

All LA major roads (*)

7,715

7,692

7,694

7,664

7,613

7,635|

7,358

7,373

7,383

7,390

7,414

Local Authority minor roads

B roads

limit up to 40 mph

795

830

836

841

890

918

1,021

1,046

1,056

1,042

1,053

limit over 40 mph

6,365

6,409

6,437

6,411

6,421

5,820

6,293

6,330

6,303

6,306

6,324

Total

7,160

7,239

7,273

7,252

7,311

6,738

7,313

7,375

7,359

7,347

7,378

C roads

limit up to 40 mph

978

1,012

992

997

1,056

1,197

1,121

1,113

1,131

1,176

1,205

limit over 40 mph

9,249

9,256

9,243

9,254

9,247

9,725

9,287

9,239

9,209

9,153

9,094

Total

10,227

10,248

10,234

10,251

10,303

10,921

10,408

10,352

10,340

10,329

10,299

Unclassified roads

limit up to 40 mph

11,432

11,542

11,623

11,723

12,232

12,598

12,693

13,126

13,321

13,480

13,587

limit over 40 mph

11,944

11,974

12,028

12,037

11,660

11,672

11,837

11,491

11,455

11,497

11,721

Total

23,377

23,516

23,651

23,760

23,892

24,270

24,530

24,618

24,776

24,977

25,308

All LA minor roads

40,765

41,003

41,158

41,264

41,506

41,929

42,252

42,345

42,474

42,654

42,984

All roads (trunk and LA)

Motorways

Excluding slip roads

259

257

269

286

305

311

311

329

369

371|

378

Including slip roads

359

363

373

396

425

441

460

483

532

543|

537

A, B and C roads

Dual carriageway

805

866

864

862

863

832

861

821

772

768

787

Single carriageway

27,160

27,199

27,161

27,117

27,166

27,260

27,226

27,229

27,245

27,235

27,255

Total

27,966

28,045

28,026

27,979

28,029

28,092

28,087

28,049

28,017

28,003

28,042

by speed limit:

up to 40 mph

3,246

3,302

3,282

3,325

3,404

3,694

3,706

3,737

3,793

3,850

3,922

over 40 mph

24,720

24,763

24,744

24,653

24,625

24,398

24,381

24,312

24,224

24,152

24,119

Unclassified roads

limit up to 40 mph

11,432

11,542

11,623

11,723

12,232

12,598

12,693

13,126

13,321

13,480

13,587

limit over 40 mph

11,944

11,974

12,028

12,037

11,660

11,672

11,837

11,491

11,455

11,497

11,721

Total

23,377

23,516

23,651

23,760

23,892

24,270

24,530

24,618

24,776

24,977

25,308

All roads (*)

51,702

51,923

52,049

52,135

52,346

52,802

53,078

53,149

53,325

53,523

53,886