Navigation System For a Motor Vehicle
First Claim
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1. A method for operating a navigation system, comprising:
- retrieving a current location;
receiving an end point from a user;
submitting a route request including the current location and the end point;
receiving a first route associated with a carpool lane and a first travel time associated with the first route;
receiving a second route excluding all carpool lanes and a second travel time associated with the second route;
displaying the first route and the first travel time;
displaying the second route and the second travel time; and
wherein the first route is displayed substantially simultaneously with the second route.
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Abstract
A navigation system displays multiple alternative routes, some of which use a carpool lane. The calculation of multiple alternative routes allows the user the choice to select a route with a desired number of passengers after the routes and comparative times to travel those routes has been calculated.
42 Citations
20 Claims
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1. A method for operating a navigation system, comprising:
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retrieving a current location; receiving an end point from a user; submitting a route request including the current location and the end point; receiving a first route associated with a carpool lane and a first travel time associated with the first route; receiving a second route excluding all carpool lanes and a second travel time associated with the second route; displaying the first route and the first travel time; displaying the second route and the second travel time; and wherein the first route is displayed substantially simultaneously with the second route. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A method of determining routes for a navigation system, comprising:
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receiving a route request from an onboard unit of a motor vehicle, the route request including a current location, an end point, and a departure time; retrieving traffic information associated with the departure time; calculating a first route between the current location and the end point using the traffic information, the first route including at least one carpool lane; calculating a second route between the current location and the end point using the traffic information, the second route being a route excluding any carpool lanes; submitting the first route and a first travel time for the first route to the onboard unit; submitting the second route and a second travel time for the second route to the onboard unit; and wherein the first route and the second route are submitted substantially simultaneously. - View Dependent Claims (11, 12, 13, 14, 15, 16)
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17. A method of determining routes for a navigation system, comprising:
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receiving a route request from an onboard unit of a motor vehicle, the route request including a current location, an end point, and a departure time; retrieving traffic information associated with the departure time; calculating a first route between the current location and the end point using the traffic information, the first route including at least one carpool lane; determining the number of passengers required to travel on the first route; calculating a second route between the current location and the end point using the traffic information where the number of passengers required to travel on the second route is different than the number of passengers required to travel on the first route; submitting the first route and a first travel time for the first route to the onboard unit; submitting the second route and a second travel time for the second route to the onboard unit; and wherein the first route and the second route are submitted substantially simultaneously. - View Dependent Claims (18, 19, 20)
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Specification