TY  - JOUR
PY  - 1987//
TI  - Traffic Regulation and Public Policy
JO  - Transportation quarterly
A1  - Todd, K.
SP  - 477
EP  - 502
VL  - 41
IS  - 4
N2  - <p>[Abstract unavailable]</p> 
LA  - 
SN  - 0278-9434
UR  - http://dx.doi.org/
ID  - ref1
ER  -