Ky KYTC Speed Limits

<p>This dataset was developed and is maintained by the Kentucky Transportation Cabinet, Division of Planning as a requirement of the Federal Highway Administration's (FHWA) Highway Performance Monitoring System (HPMS) Data Submittal. It is used for various roadway analysis and the Strategic Highway Investment Formula for Tomorrow (SHIFT) process. Questions should be directed to the Division of Planning at [phone].</p><p>11,167 line features representing posted speed limits on Kentucky's state-maintained highway system. The dataset covers approximately 29,010 miles of roadway across all 120 Kentucky counties and all 12 KYTC highway districts. Speed limit values range from 10 to 70 mph, with the following distribution:&nbsp;</p><ul><li>55 mph (5,189 segments) – the most common, typical for rural two-lane highways&nbsp;</li><li>35 mph (3,005 segments) – common in transitional and lower-speed rural areas&nbsp;</li><li>45 mph (1,396 segments) – suburban and semi-rural corridors&nbsp;</li><li>25 mph (1,131 segments) – urban and residential zones&nbsp;</li><li>70 mph (91 segments) – interstates and parkways&nbsp;</li><li>65 mph (41 segments) – high-speed divided highways&nbsp;</li><li>Lower speeds of 10-20 mph for school zones and special areas&nbsp;</li></ul><p>The route network includes Kentucky Routes (7,917 segments), US Routes (1,456), City Streets (1,236), County Roads (348), Interstates (85), and named parkways. Each segment includes milepost references, route identifiers, county and district information, and administrative dates. This layer supports transportation planning, safety analysis, and regulatory compliance for speed management across the Commonwealth's highway network.</p>