TY  - JOUR
PY  - 1975//
TI  - VEHICLE SPEEDS AND PATHS AT RURAL DIAMOND ROUNDABOUT MOTORWAY INTERCHANGES
JO  - Traffic engineering and control
A1  - Ackroyd, LW
A1  - Madden, AJ
SP  - 215
EP  - 219
VL  - 16
IS  - 5
N2  - Two flyunder and one flyover version of this type of interchange were subjected to detailed study by the University of Nottingham in United Kingdom. Flow conditions corresponded to Level of Service A. With the low convergence angles and long direct taper acceleration lanes provided, most of the acceleration to merging speed occurred on the slip road, leaving the acceleration lane to provide only the necessary merging distance.<p /> 
LA  - 
SN  - 0041-0683
UR  - http://dx.doi.org/
ID  - ref1
ER  -