RURAL UNDIVIDED 2 LANE ROAD
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MINIMUM R-O-W WIDTHS | ||||||
FUNCTIONAL CLASSIFICATION | DESIGN SPEED - mph | |||||
20 | 30 | 40 | 50 | 60 | 70 |
RURAL UNDIVIDED 2 LANE ROAD
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MINIMUM R-O-W WIDTHS | ||||||
FUNCTIONAL CLASSIFICATION | DESIGN SPEED - mph | |||||
20 | 30 | 40 | 50 | 60 | 70 | |
ARTERIAL - (Volumes to be based on projections) | ||||||
ADT<750 | – | – | – | 100 | 100 | 100 |
ADT 750-1000 | – | – | – | 110 | 110 | 110 |
ADT > 1000 | – | – | – | 120 | 120 | 120 |
DHV 100-400 | – | – | – | 120 | 120 | 120 |
DHV > 400 | – | – | – | 120 | 120 | 120 |
COLLECTOR - (Volumes to be based on projections) | ||||||
ADT < 750 | – | 100 | 100 | 100 | 100 | 100 |
ADT 750 - 1000 | – | 110 | 110 | 110 | 110 | 110 |
ADT > 1000 | – | 120 | 120 | 120 | 120 | 120 |
DHV 100 - 400 | – | 120 | 120 | 120 | 120 | 120 |
DHV > 400 | – | 120 | 120 | 120 | 120 | 120 |
LOCAL - (Volumes to be based on projections) | ||||||
ADT < 100 | 66 | 66 | 66 | 66 | 66 | – |
ADT 100 - 200 | 66 | 66 | 66 | 66 | 66 | – |
ADT 201 - 750 | 100 | 100 | 100 | 100 | 100 | – |
ADT 750 - 1000 | 110 | 110 | 110 | 110 | 110 | – |
ADT > 1000 | 120 | 120 | 120 | 120 | 120 | – |
DHV 100 - 400 | 120 | 120 | 120 | 120 | 120 | – |
DHV > 400 | 120 | 120 | 120 | 120 | 120 | – |
ADT - Average Daily Traffic DHV - Design Hourly Volume (Usually 13-17% of Rural ADT and 8-12% of Urban ADT) | ||||||
RURAL UNDIVIDED 2 LANE ROAD | ||||||
STANDARD SURFACE WIDTHS (Outside shoulder to outside shoulder) | ||||||
FUNCTIONAL CLASSIFICATION | DESIGN SPEED - mph | |||||
20 | 30 | 40 | 50 | 60 | 70 |
RURAL UNDIVIDED 2 LANE ROAD | ||||||
STANDARD SURFACE WIDTHS (Outside shoulder to outside shoulder) | ||||||
FUNCTIONAL CLASSIFICATION | DESIGN SPEED - mph | |||||
20 | 30 | 40 | 50 | 60 | 70 | |
ARTERIAL - (Volumes to be based on projections) | ||||||
ADT < 750 | – | – | 32 | 32 | 32 | 32 |
ADT 750 - 1000 | – | – | 36 | 36 | 36 | 36 |
ADT > 1000 | – | – | 40 | 40 | 40 | 40 |
DHV 100 -400 | – | – | 40 | 40 | 40 | 40 |
DHV > 400 | – | – | 44 | 44 | 44 | 44 |
COLLECTOR - (Volumes to be based on projections) | ||||||
ADT < 750 | – | 32 | 32 | 32 | 32 | 32 |
ADT 750 - 1000 | – | 36 | 36 | 36 | 36 | 36 |
ADT > 1000 | – | 40 | 40 | 40 | 40 | 40 |
DHV 100 - 400 | – | 40 | 40 | 40 | 40 | 40 |
DHV > 400 | – | 40 | 40 | 40 | 40 | 40 |
LOCAL* - (Volumes to be based on projections) | ||||||
ADT < 100 | 24 | 24 | 24 | 24 | 24 | 24 |
ADT 100 - 200 | 24 | 24 | 24 | 24 | 24 | 24 |
ADT 201 - 750 | 32 | 32 | 32 | 32 | 32 | 32 |
ADT 750 - 1000 | 36 | 36 | 36 | 36 | 36 | 36 |
ADT > 1000 | 40 | 40 | 40 | 40 | 40 | 40 |
ADT - Average Daily Traffic DHV - Design Hourly Volume (Usually 13-17% of Rural ADT and 8-12% of Urban ADT) * Projected ADT 200 and under applicable to gravel surfaced roadways. Projected ADT over 200 applicable to bituminous roadways. | ||||||
RURAL UNDIVIDED 2 LANE ROAD | ||||||
STANDARD GRADE CONTROLS (PERCENT) | ||||||
FUNCTIONAL CLASSIFICATION | DESIGN SPEED - mph | |||||
20 | 30 | 40 | 50 | 60 | 70 | |
ARTERIAL | ||||||
LEVEL | – | – | – | 4 | 3 | 3 |
ROLLING | – | – | – | 4 | 4 | 4 |
COLLECTOR | ||||||
LEVEL | 7 | 7 | 7 | 6 | 5 | 4 |
ROLLING | 10 | 9 | 8 | 7 | 6 | 5 |
LOCAL | ||||||
LEVEL | 8 | 7 | 7 | 6 | 5 | – |
ROLLING | 11 | 10 | 9 | 8 | 6 | – |