Mayor Muriel Bowser

Washington, DC

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Services

Intelligent Speed Assistance Program
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Intelligent Speed Assistance (ISA) Program

Information about driving restrictions under the mandatory Intelligent Speed Assistance (ISA) Program.

Basic Business License Maintenance
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Basic Business License Maintenance

Need to cancel or renew your basic business license? Start here.

Ignition Interlock Device Program
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Ignition Interlock Device (IID) Program

Information about driving restrictions under the mandatory ignition interlock program.

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