单项选择题

What is the appropriate title for the passage______

A．Smart Highway Projects--The Ultimate Solution to Traffic Congestion
B．A Quick Fix Solution for the Traffic Problems
C．A Venture to Remedy Traffic Woes
D．Highways Get Smart--Part of the Package to Relieve Traffic Gridlock

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单项选择题

According to Larson, to redress the traffic problem______

A．car pooling must be studied
B．rapid mass-transit systems must be introduced
C．flexible work hours, must be experimented
D．overall strategies must be coordinated

单项选择题

According to the passage, the smart highway technology is aimed to______

A．deploy sophisticated facilities on the interstate highways
B．provide passenger vehicles with a variety of services
C．optimize the highway capabilities
D．improve communication between driver and the traffic monitors