The City of Grand Prairie prohibits commercial truck traffic from using Duncan Perry Rd between Sunnyvale Rd on the north and January Ln on the south and January Lane from Duncan Perry Rd on the west and SH 161 Service Rd on the east  (Referencing the following map of all the strictly prohibited commercial truck routes in northern Grand Prairie, Texas: https://www.grandprairiepolice.org/About-Us/Special-Operations-Bureau/Approved-Truck-Routes). When Grand Prairie police officers pull truck drivers over, the drivers are often unaware that their GPS navigation is routing them onto roads that commercial trucks are not allowed to use. 