The course regarding the roadworks and traffic control has to be implemented properly as what the DPWH instructed and per department order from DOLE,to avoid accidents to the motorist as well as not to inflict any injuries to the workers.it is also important to the pedestrian to know the safety if there are rod works going on.the most relevant issuances of the DPWH is DO NO.56 SERIES OF 2005 DO 23