With increasing demands on road infrastructure and dwindling fuel taxes from fuel-efficient vehicles (electric and hybrid vehicles), governments are now investing in road charging programs. The challenge has always been in creating a sustainable but fair system for collecting revenues and implementing a system quickly and economically, while not adding to traffic congestion during peak periods. As a leader in road usage charging technology, IMS has established a sustainable and cost-effective road charging program without the burden of building expensive gantries.