| Summary: | The objectives of this study were to analyze and identify risk points on Highway Road No. 401, Tha Sala Sub-district, Nakhon Si Thammarat Province, starting from Klay Sub-district Km. 247 to Tha Sala Sub-district Km. 277, a total of 30 kilometers. Risk perception of the sample group was also examined. The sample included 400 residents from 10 nearby villages in Tha Sala Sub district. The study tools were 2 parts.- Part 1 a road accident record form and Part 2 a survey questionnaire regarding perception factors of road accidents. Data were analyzed using descriptive statistics.
The results from analysis of road accident data from year 2016 – 2018 found that there were 137 accidents,
14 fatalities, and 142 injuries. It was found 19 risk points which mostly on a straight road section (34.31%). The characteristics of the accidents demonstrated that most of the collisions were with other road users (61.31%).
Accidents mostly occurred during normal and clear weather (78.83%) and day time (61.90%). The type of vehicles with the highest number of crashes was a car (48.50%). Most respondents were between 21 - 30 years old (35.5%) and used a motorcycle (48.50%). The rush traffic period was between 07.00 - 08.00 and 15.00 - 16.00 hours. The route was used more than 10 times per week and a preferred speed was 80 - 90 kilometers per hour. It was also found that risk perception of respondents for human factors, road/environment factors, and the vehicle factor were at equally high level.
In conclusion, an improvement of the risk points should include enhancement of cooperative roles among local
communities and volunteers. Guard rails should be installed to prevent crashing with roadside power poles at Ban Nai Thung sharp curve where most crashes frequently occurred. All these measures should be monitored to prevent road accidents accordingly.
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