There are lots of neurotransmitters, and synapses that use dopamine and serotonin are actually pretty rare in the brain. This is compounded by the fact that there is a wide variety of receptor proteins for each neurotransmitter. The same neurotransmitter binding to different receptors can result in different things.
States where radar detectors are banned. According to the National Conference of State Legislatures, radar detectors are banned in all vehicles in the state of Virginia and the District of Columbia, Washington D.C. Radar Detectors are also banned in big trucks in the states of New York and Illinois.
Laser Jammers in Maine: Laser jammers are legal to use in Maine. Maryland Radar Detectors in Maryland: Radar detectors are legal to use in Maryland, however they may not be used in commercial vehicles. Laser Jammers in Maryland: Laser jammers are legal to use in Maryland.