| Number of Alignment Changes | Advisory Speed | |
|---|---|---|
| less than 
                      or equal to 50 km/h  | > 50 km/h (> 30 MPH) | |
| 1 | Turn (W1-1)1 | Curve 
                    (W1-2)1 | 
| 22 | Reverse 
                    Turn3 (W1-3) | Reverse 
                    Curve3 (W1-4) | 
| 3 or more2 | Winding Road3 (W1-5) | |









