E-scooters and e-bikes have become a key concern for urban street designers and municipal managers for their role as a prior mode for commuting and termination of delivery of express and take-out serv
The exchange of air between the inside and outside of a car results in elevated in-vehicle pollutant concentration.Road environments play a significant role in the cabin concentration of particle numb
The climbing lane and escape lane are effective ways by which to increase roadway capacity,improve safety,and provide smooth traffic operation on mountainous and rolling terrains where significant tru
In view of the traffic accidents caused by the uniqueness of natural environment in high altitude regions,the research object is traffic safety of expressways in the high altitude areas.With Gongyu ex