With the continuous development of the field of traffic engineering construction,technological innovation has become a key factor to promote the growth of economic benefits.This paper explores the specific impact of technological innovation on economic benefits in traffic engineering construction,and analyzes the corresponding challenges of human resource management.By comparing the cost-effectiveness of traditional construction methods with the application of innovative technologies,the study reveals how technological advances can optimize resource allocation and improve engineering efficiency.At the same time,the article discusses the changing skills requirements of engineering teams due to technological innovation,and how companies can adapt to these changes through strategic human resource management to ensure the smooth implementation of projects.