Road rage and Rush hour

Road rage noun - Violence exhibited by drivers in traffic.

Rush hour and road rage are semantically related In some cases you can replace phrase "Rush hour" with "Road rage", this phrases are similar.

Rush hour noun - The times at the beginning and end of the working day when many people are traveling to or from work.

Road rage and rush hour are semantically related in heaviest commuter traffic topic. You can use "Road rage" instead a noun phrase "Rush hour".