A pre experimental study was carried out To Assess the Effectiveness of Structured Teaching Programme on Road Safety Measures among school age children in Shri Guru Ram Rai Public School, Patel Nagar Dehradun.”A pre- experimental one group per-test post-test design was used to evaluate the effectiveness of structured teaching programme on Road Safety Measures among school age children in Shri Guru Ram Rai Public school, Patel Nagar Dehradun uttrakhand. The sample consists of 40 school age children. Who are available at the time of study. Purposive sampling technique was used for the selection of samples. The data collected through self-developed questionnaire. Result shows the major findings indicated that school children had inadequate knowledge. structured teaching programmewas found to be very effective method of provide knowledge regarding Road Safety Measures The mean post-test level of knowledge is significantly higher than the mean pre-test knowledge score that is 15.87 in pre-test and 24.37 in post-test with paired “t” =17.05 (df 39) at P= 0.05 significance. There was no association between the knowledge and demographic variables estimated by chi square , chi square wih Yates correction and fisher.. Findings of the study showed that the knowledge scores of school age children were very less before the administration of structured teaching programme. On the basis of findings, it is recommended that a similar study may be replicated using a large number of participants. More intervention studies should be carried out for improving the knowledge regarding road safety measures