- Maintenance of vehicles vehicle maintenance, safety and security
- Manoeuvring rules 159 to 190 and rules 200 to 203
- Medicines rule 68 and rule 96
- Merging in turn rule 134 and rule 288
- Metric conversion table
- Miniature motorcycles (mini motos) see Prohibited vehicles
- Mini-roundabouts rules 188 to 190
- Mirrors rule 97, rule 161, rule 184, rule 202, rule 229, rules 288 to 288 and Vehicle maintenance, safety and security
- changing lanes rule 133
- fog rules 234 to 235
- motorways rule 254 and rule 267
- moving off rule 97 and rule 159
- overtaking rule 163 and rule 267
- turning rules 179 to 180 and rule 182
- Mobile phones rule 97, rule 149, rule 271, rule 277, rule 283, rule 285 and Petrol stations
- MOT
- Motorcycle licence
- Motorcyclists rules H1 to H3, rules 83 to 88, rules 89 to 98, rule 160, rules 211 to 213, rules 232 to 233, rule 250, rule 253 and rule 306
- conspicuity rules 86 to 87
- junctions rule 88, rule 170, rule 180, rule 182 and rules 211 to 213
- learners rule 204, rule 217 and rule 253
- night riding rule 87
- overall stopping distance rule 126, rule 227, rule 230, rule 235 and rule 260
- overtaking rule 88, rule 163 and rule 230
- rear observation rule 88 and rule 212
- roundabouts rule 187
- turning rule 88
- winter rule 230 and Vehicle maintenance, safety and security
- Motor tricycles see Prohibited vehicles
- Motorways rules 253 to 274
- breakdowns rules 275 to 279
- contraflow systems rule 290
- disabled drivers rule 279
- emergency areas rule 269, rules 270 to 271 and rule 278
- emergency telephones rule 270, rules 277 to 278 and rule 283
- flashing lights rule 257 and rule 258
- fog rules 234 to 236
- hard shoulder rules 269 to 271, rule 275, rules 277 to 278 and rule 290
- incidents rules 281 to 287
- joining rule 259
- junctions rule 266
- lane discipline rule 264
- leaving rule 266 and rule 273
- obstructions rules 279 to 280
- pedestrians rule 6
- places of relative safety rule 275
- prohibited vehicles rule 253
- rejoining the carriageway rule 278
- road works rules 288 to 290
- signals/signs/flashing lights rules 255 to 258, rule 273 and rule 281
- speed limits rule 261
- stopping and parking rule 91, rule 240 and rule 271
- studs rule 132
- Moving off rule 159