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DESIGN SPEED ( RURAL ) ( AMMENDED SEPT. 1989 ) DESIGN SPEED ( URBAN ) ( AMMENDED SEPT. 1989 ) Design standard Design speed ( km/hr ) Area type I II III U6 100 80 60 U5 80 60 50 U4 70 60 50 U3 60 50 40 U2 50 40 30 U1 40 30 30 U1a 40 30 20 Note: Type I = Relatively free iri road location with very little problems ns regards land acquisition, affected buildings or other socially sensitive areas. Type II = Intermediate between I and II. Type III = Very restrictive in road location with problems as regards and acquisition, affected buildings and other sensitive areas. Design speed Design speed ( km/hr ) Terrain Flat Rolling Mountainous R6 120 100 80 R5 100 80 60 R4 90 70 60 R3 70 60 50 R2 60 50 40 R1 40 30 20 R1a 40 30 20

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Page 1: Design Speed

DESIGN SPEED ( RURAL ) ( AMMENDED SEPT. 1989 )

DESIGN SPEED ( URBAN ) ( AMMENDED SEPT. 1989 )

Design standard Design speed ( km/hr )Area type

I II IIIU6 100 80 60U5 80 60 50U4 70 60 50U3 60 50 40U2 50 40 30U1 40 30 30

U1a 40 30 20

Note:

Type I = Relatively free iri road location with very little problems ns regards land acquisition, affected buildings or other socially sensitive areas.

Type II = Intermediate between I and II.

Type III = Very restrictive in road location with problems as regards and acquisition, affected buildings and other sensitive areas.

Design speed Design speed ( km/hr )Terrain

Flat Rolling MountainousR6 120 100 80R5 100 80 60R4 90 70 60R3 70 60 50R2 60 50 40R1 40 30 20

R1a 40 30 20