Transport 2021
🇬🇧
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In English
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Transport 2021 - Leaderboard
Transport 2021 - Details
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13 questions
| 🇬🇧 | 🇬🇧 |
| 10 Key intersections | Adequate capacity - form of control conflict points Preference major flows Define veh paths ad SD form of control All RU Control veh speeds |
| Min conflict points | Stag T's to decrease CP. left stagger 67% greater |
| Cost Consequences of geometric design | Land, pavement, accidents, maintenance |
| Design standards | Costs, terrain, traffic volume, hierarchy, safety, environment |
| Desired speed | Drivers decision |
| Operating speed | Estimation |
| Design speed | Greater than operating |
| Factors affecting design | Design speed, safe f and e |
| Types of curves | Circular, transition, reverse |
| Curves to avoid | Compound Broken back |
| Friction depends on | Road surface tyres breaks weather |
| Superelevation | Prevent sliding, slipping decreases hazards less than 10% |
| Transition curve criteria | Rate of change of radial acc - Forces on body Rate of rotation (warp) - comfort Relative grade |