In Broward County, Fla., planners are working on a project that would let users factor in things such as speed limits, traffic volume, lane widths and shortcuts.
The project, shooting for online launch by next summer, has programmers looking at aerial maps and punching key factors into the route-setting algorithms. They also incorporate things like where people or bikers can make left turns but cars can't.

This week, Google Maps launched a feature that offers walking directions for trips shorter than 6.2 miles. That is being added to a feature already helping visitors find the best mass transit routes.

But it [Tele Atlas] is open to accepting bike and pedestrian route information from cities and community groups if it can be verified from multiple sources.

Skyhook announced a hybrid location determination software solution that can tap into GPS, Wi-Fi, and cell towers to locate devices. What does that mean for knowing where you are anytime, anywhere? Is this step forward accompanied by an increased sense of location privacy comfort? Our editors explore the new technology and offer a suggestion for tackling the privacy bugaboo.

De Taeye said he expected real-time, turn-by-turn navigation applications to be available for Apple's iPhone despite reports that Apple's rules for developing iPhone software appeared not to allow it.

"We are making sure that navigation is an application that is allowed," De Taeye said. "If there is any restriction on the platform, that indeed has to do with the restrictions that we have in our contracts. Navigation is allowed, provided that the right fees are paid."