- Safety barriers, pedestrian rule 9
- Safety helmets
- School crossing patrols rule 7
, rule 29
, rule 105, rule 208 and rule 210
- overtaking rule 167 and rule 209
- pole positions School crossing patrols
- Seat belts rules 99 to 100, rule 102 and Vehicle maintenance, safety and security
- Security of vehicles rule 239 and Vehicle maintenance, safety and security
- Self-driving vehicles
- Separation distance
- Shared cycle routes rule 13, rule 62 and rule 63
- Signals rules 103 to 112
- arm rule 53, rule 55, rule 67, rule 74, rule 103 and Signals to other road users
- buses rule 223
- cyclists rule 67 and rule 74
- flashing rule 31, rules 110 to 111, rule 281 and rule 293
- horn rule 112, rule 195 and rule 214
- horseriders rule 53, rule 55 and rule 215
- junctions rule 103, rule 179, rule 182 and rule 186
- lane changes rule 133
- large goods vehicles rule 187
- motorcyclists rule 88 and Signals to other road users
- motorways rules 255 to 258, rule 266 and rules 269 to 270
- moving off rule 159
- other road users rules 103 to 104
- overtaking rule 163 and rule 267
- pedestrian crossings rules 22 to 27, rule 196 and rules 198 to 199
- police/wardens/schools/other rules 105 to 108 and Signals by authorised persons
- roundabouts rule 55, rule 79 and rules 184 to 186
- Single carriageways rules 135 to 136
- Single-track roads rules 155 to 156
- Skidding rule 119
- Slip roads rule 259, rule 271 and rules 273 to 274
- Slippery roads see Wet/icy/slippery roads
- Slow-moving traffic rule 151, rule 163 and rule 288
- Slow-moving vehicles rule 169, rule 220, rules 224 to 225, rule 253 and rule 288
- Smoking rule 148
- Snow rules 228 to 231
- Soft tarmac rule 237
- Speed limiters rule 222 and rule 265
- Speed limits rules 124 to 125, rule 146, rule 152, rule 257, rule 261 and rule 288
- Steering conditions Vehicle maintenance, safety and security
- winter driving rule 239 Stopping/parking rules 238 to 252
- bus lanes rule 240
- cycle lanes rule 140
- level crossings rule 291 and rule 294
- mobile phones rule 149
- motorways rule 91, rule 240, rules 270 to 272
- on pavements rule 244 and rule 246
- outside schools rule 238
- passing places rules 155 to 156
- pedestrian crossings rules 191 to 192, rules 196 to 197 and rule 240
- single-track roads rules 155 to 156
- Stopping distance rule 126, rule 151, rule 227, rule 230, rule 235, rule 260 and rule 288 see also Separation distance
- Stopping procedures
- Street/pavement repairs rule 35