- L plates Motorcycle licence requirements and Learner drivers
- Lamps and lights see also Headlamps and headlights conditions/maintenance rule 113, rule 229 and Vehicle maintenance, safety and security
- cyclists rule 60
- horses rule 51
- pedestrians rule 5 and rule 58
- vehicles rules 113 to 116, rules 249 to 251 and rule 276
- Lane discipline rules 133 to 143 and rule 288
- dual carriageways rules 137 to 138
- motorways rules 264 to 266
- multi-lane carriageways rules 133 to 134
- one-way streets rule 143
- roundabouts rules 184 to 187
- single carriageways rules 135 to 136
- Lane dividers rule 131 and Road markings
- Large vehicles rule 126, rule 160, rule 164, rules 221 to 222, rule 233 and rule 294 see also Long/large vehicles
- Lay-bys rules 249 to 250
- Learner drivers rule 204, rule 217, rule 253 and Learner drivers
- Level crossings rule 34, rule 54, rule 82, rule 167, rule 243 and rules 291 to 299
- Lighting requirements rule 5, rule 43, rule 48, rule 60, rules 113 to 115, rule 226, rule 229 and rules 235 to 236
- Lights see Headlamps and headlights and Lamps and lights
- Lines and lanes rules 127 to 132, rules 133 to 143, rules 184 to 185 and Road markings
- Littering from vehicles rule 147
- loading and unloading rule 98 and rules 246 to 247
- Loads rule 98 and rule 250
- Long/large vehicles see also Large vehicles
- cyclists rule 76 and rule 80
- junctions rule 170 and rule 173
- road works rule 288
- roundabouts rule 80 and rules 187 to 188
- trams rules 300 to 307