Complex sentence: The lane configuration changes have confused drivers in the area, especially motorists with outdated GPS devices; because of this, MDOT installed updated signs complete with American and Canadian flags to help prevent drivers from heading to Canada by mistake.
Split into simpler sentences: The lane configuration changes have confused drivers in the area, especially motorists with outdated GPS devices. So MDOT installed updated signs complete with American and Canadian flags to help prevent drivers from heading to Canada by mistake.