Accessing Speed Information with Core Location or MapKit

Drawing a Circle Around a Point on an iOS Map Using MapKit with Custom View for Collision Detection

Customizing MKMapView Annotations with UILabels: A Step-by-Step Guide

Understanding Core Location Issues in Simulator: A Step-by-Step Guide to Accurate Location Updates

Understanding the MKMapView's Location Manager: How Apple's Maps Framework Handles Location Services

How to Enable Full Horizontal Scrolling on Maps with MapKit