TY  - JOUR
PY  - 2001//
TI  - Message signs reduce road's collision rates
JO  - American city and county
SP  - 16
EP  - 17
VL  - 116
IS  - 12
N2  - Caltrans District 02 used variable message signs along a 30 mile section of Interstate 5 in Sacramento as a means to reduce accidents.<p />
LA  - 
SN  - 0149-337X
UR  - http://dx.doi.org/
ID  - ref1
ER  -