3. Subject to paragraph 4, on a one-way road, the number and disposition of light signals of the kind prescribed by regulation 33 to be placed at a crossing to control approaching vehicular traffic shall, in the case of a crossing of the type specified in column (2) of an item in the table, be as specified in column (3) of that item.
| (1) | (2) | (3) |
|---|---|---|
| Item | Type of crossing on a one-way road | Light signals to control approaching vehicular traffic |
| 1. | Crossing not forming part of a system of staggered crossings and not having a refuge or central reservation within the limits of the crossing | One primary signal on the left hand side of the crossing and a signal, which may be either a primary or a secondary signal, on the right hand side of the crossing |
| 2. | Crossing not forming part of a system of staggered crossings and having a refuge or central reservation within the limits of the crossing | One primary signal on each side of the crossing and a signal, which may be either a primary signal (in which case it must be on the refuge or the central reservation) or a secondary signal |
| 3. | Crossing forming part of a system of staggered crossings | One primary signal on the left hand side of the crossing and a signal, which may be either a primary signal or a secondary signal, on the right hand side of the crossing |