ALK uses numerous sources to obtain official information on bridge heights and clearances, load limits, weight limits and allowances, one-way road designations, left-hand and dangerous turn restrictions, urban road classifications, as well as hazmat, truck-restricted, truck-designated and truck-prohibited roads. Every vehicle and time-based toll cost in North America is sourced from the respective toll authorities.
For certain countries around the world, NAVTEQ data is integrated into PC*MILER|Worldwide. If you need more information about map data, please contact an Enterprise Solutions Account Executive or call 800-377-6453, Ext. 1 for more information.