Global Variable Message Signs for Intelligent Transportation System Market to Generate a Revenue of USD 266.6 Million by 2028; Market to Grow on Account of the Growing Need to Lower Traffic Congestion in both Developed & Developing Nations New York, Dec. 09, 2021 (GLOBE NEWSWIRE) -- Travel delays caused due to traffic congestion in the 494 urban areas of the United States increased from 1.7 Billion hours in 1982 to 8.7 Billion hours...