Designing the highway

Designing the Highway By: Ron de Guzman

Design speed ,[object Object],[object Object]

Factors that influence Design Speed ,[object Object],[object Object],[object Object],[object Object],[object Object]

Types of Roadway ,[object Object],[object Object],[object Object],[object Object]

Ranges for Design Speed Type of Road way Terrain Rural Urban US (mi/h) Metric (km/h) US (mi/h) Metric (km/h) F R E E W A Y LEVEL 70 110 50min 80min ROLLING 70 110 50min 80min MOUNTAINOUS 50-60 80-110 50min 80min

Ranges for Design Speed Type of Road way Terrain Rural Urban US (mi/h) Metric (km/h) US (mi/h) Metric (km/h) A R T E R I A L LEVEL 60-75 100-120 30-60 50-100 ROLLING 50-60 80-100 30-60 50-100 MOUNTAINOUS 40-50 60-80 30-60 50-100

Ranges for Design Speed Type of Road way Terrain Rural Urban US (mi/h) Metric (km/h) US (mi/h) Metric (km/h) C O L L E C T O R LEVEL 40-60 60-100 30+ 50+ ROLLING 30-50 50-80 30+ 50+ MOUNTAINOUS 20-40 30-60 30+ 50+

Ranges for Design Speed Type of Road way Terrain Rural Urban US (mi/h) Metric (km/h) US (mi/h) Metric (km/h) L O C A L LEVEL 30-50 50-80 20-30 30-50 ROLLING 20-40 30-60 20-30 30-50 MOUNTAINOUS 20-30 30-50 20-30 30-50

Cross Section of a Typical Highway

Cross-section of Typical Highway ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Cross-section ELEMENTS ,[object Object],[object Object]

Cross-section ELEMENTS ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Cross-section ELEMENTS ,[object Object],[object Object],[object Object]

Cross-section ELEMENTS ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Typical Cross Section of Highways

Road Shoulder ,[object Object],[object Object],[object Object]

Road Shoulder ,[object Object]

Road Shoulder ,[object Object],[object Object],[object Object],[object Object],[object Object]

Road Shoulder ,[object Object],Total Travel way Shoulder Width Roadway Width Speed of Reference 14.00 m. 3.25 20.50 100-80-60-40 12.00 m. 3.25 18.50 60-40 7.00 m. 2.75 12.50 100-80-60-40 7.00 m. 2.00 11.00 80-60-40 6.70 m. 2.75 12.20 100-80-60-40 6.70 m. 2.00 10.70 80-60-40 6.00 m. 2.75 11.50 80-60-40 6.00 m. 1.50 9.00 80-60-40

Cut and Fill Slope ,[object Object],[object Object]

Cut and Fill Slope ,[object Object],[object Object],[object Object]

Designing the highway

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Designing the highway