Traffic may grind to a halt.Logical formLearned from30 sentences. Thousands of persons may be killed in (traffic accidents).Logical formLearned from30 sentences. Traffic can be in a tunnel.Logical formLearned from30 sentences. A (highway traffic) can be snarled.Logical formLearned from30 sentences. (Air traffic) may be suspended.Logical formLearned from30 sentences. Traffic can be in arms.Logical formLearned from30 sentences. (Passenger traffic) may fall.Logical formLearned from30 sentences. A (traffic police) may pertain-to a country.Logical formLearned from30 sentences. Traffic may undergo maintenance.Logical formLearned from29 sentences. A railway may open to traffic.Logical formLearned from29 sentences. An (air traffic control center) may pertain-to a country.Logical formLearned from29 sentences. (Air traffic) can be at some airports.Logical formLearned from29 sentences. Traffic may undergo an anticipation.Logical formLearned from29 sentences. A (freight traffic) can be heavy.Logical formLearned from29 sentences. Traffic may be expected.Logical formLearned from29 sentences.