Understanding Design Vehicle and Turning Radius for Urban Street Design Norman W. Garrick
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Transcript of Understanding Design Vehicle and Turning Radius for Urban Street Design Norman W. Garrick
AASHTO Design Vehicles
AASHTO on Selecting a Design Vehicle
AASHTO specifies 10 class of vehicles
The representative design vehicle in each class is larger than and has a larger turning radius than more vehicles in that class
For a specific facility the largest design vehicle likely to use the facility with considerable frequency must be taken into account in designing features such as radii at intersections
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WB-40
BUS
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Mansfield And Gilbert
600 sq. feet
Storrs Rd and North Eagleville
2500 sq. feet
Hillside and Alumni
3800 sq. feet
Hillside and North Eagleville
4000 sq. feet
Hillside and Glenbrook
975 sq. feet
Storrs and Bolton
1300 sq. feet
Storrs and South Eagleville
2500 sq. feet
Storrs and Mansfield (pre-2010)
1700 sq. feet
Hillside and Stadium
1100 sq. feet
Mansfield and Whitney
950 sq. feet
Storrs and North EaglevilleRadius = 14 ft
Hillside and N. EaglevilleRadius = 37 ft
Hillside and GlenbrookRadius = 6 ft
70 Feet
2 Lanes28 feet WideR = 37 feet
2 Lanes28 feet WideR = 14 feet
2 Lanes28 feet Wide
R = 6 feet
This is similar to the designof Mansfield and Whitney
70 Feet
2 Lanes28 feet Wide
R = 6 feet
This is similar to the designof Mansfield and Whitney
P
2 Lanes28 feet Wide
R = 6 feet
This is similar to the designof Mansfield and Whitney
BUS
2 Lanes28 feet Wide
R = 6 feet
This is similar to the designof Mansfield and Whitney
WB-40
Actual Path of a UCONN Bus at Mansfield and Whitney
2 Lanes28 feet Wide
R = 6 feet
BUSActual UCONN Bus
70 Feet
Peter Pan Bus