18 Questions
What could help improve visibility at a T-intersection if the vegetation cannot be trimmed?
Strategically placed chevron signs
In the context of road safety design, what should the centerline markings be at poorly visible intersections?
Barrier lines
What can poor vertical alignment through an intersection lead to?
Obscuring the layout of the intersection
What is an effective measure to prevent poor driver behavior like corner cutting at intersections?
Installing centerline and edge-line markings
What could be considered at an intersection with a poor accident record to give a clear indication of alignment?
Splitter island
In what type of location would a small radius roundabout be beneficial?
An intersection with poor accident records
What is the recommended minimum distance for angle parking on the approach side of a signalized intersection?
As many vehicles as can cross the stop line in one phase
Why is it desirable to prohibit parking on the approach side of a signalized intersection?
To store as many vehicles as can cross the stop line in one phase
Which type of parking is considered to present a greater hazard than parallel parking?
Angle parking
What provision is recommended for angle parking on expressways?
No provision except for off-road roadside stopping areas
What is the preferable way to protect marked parking bays and maneuvering areas on provincial roads?
Building a physical separation with an outer separator
In what case might the maneuvering of vehicles for parking encroach into through traffic lanes?
On municipal/city roads
Why should residential roads longer than 100 to 200 meters have meandering paths and tight horizontal curves or roundabouts at local road intersections?
To discourage drivers from using the roads as shortcuts
What is one of the key recommendations to provide a safe environment for vehicles and pedestrians in residential areas?
Segregating pedestrians wherever possible
How should parking be managed in residential areas to ensure the safety of children playing?
Parking should be convenient but ample and located away from play areas
What impact does the overall geometry, surface texture, and threshold treatment have on drivers entering a residential area?
Raises awareness about pedestrians and their priority
Why should existing grid networks with crossroads be modified by closures or restrictions in residential areas?
To minimize traffic on internal roads
What action should be taken regarding overnight parking of lorries, especially those with hazardous loads, in residential areas?
Actively discourage overnight parking, especially of lorries with hazardous loads
Test your knowledge on roadway vertical alignment including the importance of vegetation trimming, use of chevron signs, guideposts, and centerline markings. Understand how poor vertical alignment can affect visibility at intersections.
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