Correct spelling for the English word "LAHDR" is [lˈɑːdə], [lˈɑːdə], [l_ˈɑː_d_ə] (IPA phonetic alphabet).
LAHDR stands for "Limited-access highways data release." It is a term used in transportation planning and infrastructure development, specifically referring to the process of disclosing or releasing data related to limited-access highways.
Limited-access highways are typically high-speed roadways with controlled access points, such as interstate highways or expressways, designed to efficiently move vehicle traffic while minimizing disruptions caused by local traffic or pedestrians. These highways often have a barrier or median that separates opposing lanes and restricts entry and exit at selected interchanges or ramps. Examples may include freeways or motorways.
The term LAHDR specifically pertains to the release of related data or information pertaining to these limited-access highways. This data may include details about the highway's physical attributes, such as the number of lanes, speed limits, exit and entrance locations, interchanges, tolls (if applicable), or any other relevant specifications. This information is useful for various planning purposes, such as evaluating traffic flow, studying congestion patterns, estimating travel times, identifying maintenance needs or improvements, monitoring safety issues, and conducting research or analysis onto the impact of these highways on the surrounding area or transportation network.
LAHDR plays a vital role in urban and transportation planning as it allows policymakers, researchers, engineers, and other stakeholders to access comprehensive and accurate data about limited-access highways. This information helps in making informed decisions regarding highway improvement projects, traffic management strategies, safety enhancements, and better integration of these highways with the overall transportation network.