URBAN TRANSPORTATION
LECTURE 3: 9 February 2021
MASTERS IN ARCHITECTURE 1st year
Session 2021 – 2023, Sem 1
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urban road design principles, Lecture notes of Transportation Engineering
road hierarchy, row, design speed, design volume, definitions etc
Typology: Lecture notes
2021/2022
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URBAN TRANSPORTATION
LECTURE 3: 9 February 2021
MASTERS IN ARCHITECTURE 1st^ year
Session 2021 – 2023, Sem 1
ROAD DESIGN
• Structural Design of Roads:
Construction details
• Geometric Design of Roads: Horizontal
& Vertical Alignment, Slope, sight
distance etc
• Physical Design/ Layout of Roads/
Streets: No of Lanes, Classification
Lanes, Street Furniture, ROW for
Utilities etc
HIGHWAY
URBAN STREET
SPOT THE DIFFERENCE S?
HIGHWAY
URBAN STREET
FREEWAY/ HIGHWAY URBAN STREET
ROAD WIDTH Road width very high. No of Lanes also high Smaller Road Width depending on road hierarchy. TRAFFIC COMPOSITION & USAGE Mostly Heavy vehicles: trucks, buses, cars Mostly Car Lanes. No Lanes for Cycles, NMT or Pedestrians Mixed composition: cars, buses (public transport), cycles, non motorized transport, Pedestrians, heavy vehicles (occasional) Different Lanes Required: Footpaths, Cycles tracks, Bus Lanes, Car Lanes, Parking Lanes etc STREET FURNITURE Minimal Street furniture Bus stops, Street Lights, Signage/ Warrants, Parking Infrastructure, Dustbins, Pedestrian Crossings etc SURROUNDIN G DEVELOPMEN T Mostly sparse/ no development. Densely developed. Residential, commercial land use etc SPEED Very high speed traffic movement Low to medium speed traffic movement LANDSCAPE Minimal landscaping Soft Landscape & Street trees are an important component of design UTILITIES ROW Does not really need to accommodate urban utilities except for gas pipelines, high transmission lines etc Need sufficient ROW and careful planning for drainage, sewerage, water pipelines and other cables TRAFFIC FLOW Uninterrupted (Minimal or No Intersections) Interrupted Traffic Flow (Intersections – Signalized/ Non Signalized)