Driving Under the Influence of Controlled Substances
Pennsylvania has multiple ways, under section 3802(d) of the vehicle code, to charge someone who is driving with controlled substances or other drugs in their system. These include driving after having used illegal street drugs or after having taken drugs that were prescribed by a doctor or after having used drugs that are normally prescribed by a doctor without a valid prescription. Subsection (1) applies to anyone who drives a motor vehicle with any amount of a Schedule I drug…

