Appendix
Attachment 1. Subject properties Map
February 6, 2024Page 1461 section
Aerial orthophoto and map showing the location of the subject properties.
294 & 296 Eltham Road and 242 Helmcken Road
FIGURE 8A: SIGHT DISTANCE AND VISIBILITY AT 90° INTERSECTIONS FOR APPROACHES WITH STOP CONTROL
Visibility Triangle Table
| Design Speed on Highway km/h | Approach Distance "a" Based on 3 s m | 20 X | 20 Y | 26 X | 26 Y | 30 X | 30 Y | 35 X | 35 Y | 40 X | 40 Y | 45 X | 45 Y | 50 X | 50 Y | 60 X | 60 Y |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 40 | 30 | 8 | 7 | 5 | 4 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 50 | 40 | 15 | 10 | 10 | 7 | 7 | 5 | 3 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 60 | 50 | 22 | 11 | 16 | 8 | 12 | 6 | 7 | 4 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
| 70 | 60 | 29 | 12 | 22 | 9 | 17 | 7 | 11 | 5 | 5 | 2 | 0 | 0 | 0 | 0 | 0 | 0 |
| 80 | 65 | 32 | 12 | 24 | 9 | 19 | 7 | 13 | 5 | 6 | 2 | 0 | 0 | 0 | 0 | 0 | 0 |
| 90 | 75 | 39 | 14 | 30 | 10 | 24 | 8 | 17 | 6 | 9 | 3 | 2 | 1 | 0 | 0 | 0 | 0 |
| 100 | 85 | 46 | 14 | 36 | 10 | 29 | 8 | 20 | 6 | 12 | 3 | 3 | 1 | 0 | 0 | 0 | 0 |
| 110 | 95 | 53 | 14 | 41 | 11 | 34 | 9 | 24 | 6 | 15 | 4 | 5 | 1 | 0 | 0 | 0 | 0 |
| 120 | 100 | 56 | 14 | 44 | 11 | 36 | 9 | 26 | 6 | 16 | 4 | 6 | 1 | 0 | 0 | 0 | 0 |
| 130 | 110 | 62 | 14 | 48 | 11 | 40 | 9 | 29 | 7 | 18 | 4 | 8 | 2 | 0 | 0 | 0 | 0 |
Source: "Highway Geometric Design Guide" published in August 1999, Chapter D, Alberta Infrastructure
Page 146
Extracted from: 2024 02 06 Council Agenda - Agenda - Pdf