in Frontend/src/app/maps/bing-maps.service.ts [756:817]
    private showSimplifiedTrip(trip: Trip, tripColor) {
        tripColor = tripColor || this.genericColors[4];
        const tripLegLocations = [];
        // Show the first stop in a trip
        this.showTripLocation(trip.startLocation);
        tripLegLocations.push(new Microsoft.Maps.Location(
            trip.startLocation.latitude,
            trip.startLocation.longitude
        ));
        let previousTripLeg: TripLeg;
        for (const leg of trip.tripLegs) {
            // Add all route points
            for (let i = 0; i < leg.route.length; i++) {
                tripLegLocations.push(new Microsoft.Maps.Location(
                    leg.route[i].latitude,
                    leg.route[i].longitude
                ));
            }
            // Draw a dotted line between trip leg stop locations, if they are not the same.
            if (previousTripLeg && previousTripLeg.endLocation.id !== leg.startLocation.id) {
                const startPoint = new Microsoft.Maps.Location(
                    leg.startLocation.latitude,
                    leg.startLocation.longitude
                );
                const previousLocation = new Microsoft.Maps.Location(
                    previousTripLeg.endLocation.latitude,
                    previousTripLeg.endLocation.longitude);
                const dottedLine = new Microsoft.Maps.Polyline(
                    [previousLocation, startPoint],
                    {
                        strokeThickness: 5,
                        strokeDashArray: [2, 2],
                        strokeColor: tripColor
                    }
                );
                this.tripsLayer.add(dottedLine);
            }
            previousTripLeg = leg;
        }
        // Show the last stop in a trip
        this.showTripLocation(trip.endLocation);
        tripLegLocations.push(new Microsoft.Maps.Location(
            trip.endLocation.latitude,
            trip.endLocation.longitude
        ));
        const line = new Microsoft.Maps.Polyline(tripLegLocations, {
            strokeThickness: 5,
            strokeColor: tripColor
        });
        this.tripsLayer.add(line);
        this.centerMap(tripLegLocations[0]);
    }