Kerbside lane closure: New South Head Road, eastbound
WOOLLAHRA · 200 m work area · generated by the TAS worksite engine from live NSW data
Layout (traffic left to right)
work areawithin 1.5 m of live lanetaper / buffer (no-go)conelane lines traced from imagerysign (number = schedule)
Detail: taper, buffer and start of work
Sign schedule (install in order, remove in reverse)
Distance is measured along the road from the start of the taper (approach signs) or the end of the work area (end signs).
| No | Face | Code | Sign | Distance (m) | Side | TS 05492 basis | Siting |
|---|---|---|---|---|---|---|---|
| 1 | T1-1 | Roadwork Ahead | 180.0 | left | §14.6.2.2 / Table 51: first advance sign, successive D | as designed | |
| 2 | T1-5 | Workers (Symbolic) | 120.0 | left | §11.7.2 / Table 19: Workers (Symbolic) | as designed | |
| 3 | T2-16 | End Roadwork | 60.0 | right (opposing) | §14.6.2.7 / Figure 126 | as designed | |
| 4 | R4-212n 40 | Speed Limit Road Work 40 km/h | 60.0 | left | §11.7.8: zone starts 50-100 m before the work area (taper start) | as designed | |
| 5 | T2-6-1 | Left Lane Closed (Symbolic - 1 lane in direction of travel) | 60.0 | left | §14.7.3.2.3: final lane status sign not closer than D from the taper | as designed | |
| 6 | R4-212n 40 | Speed Limit Road Work 40 km/h | 30.0 | left | §11.7.10.3: second sign 0.5 D after the start where the right side is unsafe | as designed | |
| 7 | T5-5-R | Hazard Warning Marker (right) | §14.7.3.2.2: minimum two hazard markers per closed lane | as designed | |||
| 8 | FAS | Flashing arrow sign (arrow board) | §14.7.3.2: flashing arrow sign recommended on multi-lane roads <=80 km/h (§14.7.3.2.3) | as designed | |||
| 9 | T5-5-R | Hazard Warning Marker (right) | §14.7.3.2.2 | as designed | |||
| 10 | R4-1 60 | Speed Limit (symbolic) 60 km/h | 50.0 | left | §11.7.9: speed reinstated <=50 m past the work area (<=60 km/h) or D (>60) | as designed | |
| 11 | T1-1 | Roadwork Ahead | 60.0 | right (opposing) | §14.6.2.2 / Figure 126: opposing traffic passes the work; confirm need (§14.6.2.2 exclusions) | as designed | |
| 12 | T2-16 | End Roadwork | 60.0 | left | §14.6.2.7: D from the last affected point, not before the end of the temporary speed limit | as designed |
Findings
| Check | Result | Detail |
|---|---|---|
| BUS_STOP_30M | attention | 2 bus stop(s) within 30 m (nearest 1.5 m) |
| INTERSECTION_IN_CLOSURE | attention | 1 side street(s) cross the closure (William Street): safety buffer for turning traffic and side-road signs needed (§14.6.2.4) |
| SIGNALS_100M | attention | 7 OSM signal node(s) within 100 m (nearest 3.9 m): confirm on site |
| SPEED_ZONE_AUTHORISATION | attention | speed zone authorisation needed for the 40 km/h zone (§11.7.7) |
| STATE_ROAD_100M | attention | State road within 100 m (nearest 0.0 m): Road Occupancy Licence likely |
| TEMP_SPEED_ZONE | attention | 40 km/h zone (Table 19: workers within 1.5 m of the live lane); R4-212n at the zone start, R4-1 60 after the work area |
| SIGHT_DISTANCE | not checkable | needs 90 m (1.5 D urban); no elevation model loaded |
| CONE_EDGE_CLEARANCE | ok | cone line 0.5 m inside the lane line (Table 49) |
| CONE_SPACING_T50 | ok | taper cones at most 9 m, lane-line cones at most 4 m (device zone 40 km/h) |
| END_ROADWORK | ok | T2-16 60 m past the work area |
| HAZARD_MARKERS | ok | 2 x T5-5 on the closed lane at the taper; flashing arrow sign placed (recommended on multi-lane roads <=80 km/h (§14.7.3.2.3)) |
| LANE_EDGES_ON_PAINT | ok | 100% of the closure set out on lane edges traced from imagery |
| LANE_STATUS_SIGN | ok | T2-6-1 at 60 m before the taper (D = 60 m) |
| MIN_LIVE_LANE_WIDTH | ok | remaining lane 3.30 m (median of 4 traced stations, min 3.05 m) |
| SAFETY_BUFFER_30M | ok | safety buffer 30 m |
| SCHOOL_200M | ok | no school within 200 m |
| SCHOOL_ZONE_50M | ok | no school zone within 50 m |
| SIGN_FACES | ok | 9 signs, every code named in TS 05492 and its face checked against the name |
| SIGN_SITING | ok | all signs sited on the verge at their designed positions |
| SIGN_SPACING_D | ok | advance signs at successive D = 60 m from the taper, all within Table 88 tolerance |
| SPEED_AHEAD_SIGN | ok | G9-79 not required (60 to 40 km/h) |
| TAPER_LENGTH_T74 | ok | merge taper 60 m (Table 74 at 60 km/h) |