About Route 4
Our third most popular route serves on average an impressive 102,855 passengers monthly, offering safe, reliable transportation to a diverse range of riders from Downtown to East Tucson. Start your trip in the heart of downtown Tucson, where culture and history converge. Hop aboard and make your way to the University of Arizona Museum of Art, a hub for artistic inspiration. Next, stop by the Banner Medical Center, offering top-tier healthcare services, before relaxing under the lush greenery of Himmel Park and browsing the Himmel Park Library. For an evening escape, enjoy a film at The Loft Movie Theater or dive into a treasure trove of books, music, and games at Bookmans Entertainment Exchange. As the route continues, you’ll pass by Palo Verde High School, a cornerstone of community education, and conclude your journey at the Sun Tran Park & Ride, perfect for seamless connections to the rest of the city. Route 4 makes every stop a new adventure!
Plan Your Trip!
Get ready for a smooth and enjoyable ride! Find everything you need to plan your route, check schedules, and track your bus in real-time. Whether you’re commuting, sightseeing, or connecting across town, this section makes it easy to organize your trip and get you where you need to go with confidence. Below are different ways YOU can plan your trip, from visiting us online, downloading our Sun Tran app, or calling Customer Service.
1. Sun Tran Website
Ready to ride? Hop over to our website to plan your, check routes, and see schedules in a snap! Click the button below to find your bus, alerts and detours, and ride guides.
2. Sun Tran App
Get on the go with the Sun Tran App! Down our app to plan and track your ride. Find your route, see real-time arrivals, and make every trip easier.
Available on the App Store or Google Play!
3. Customer Service
Need help with trip planning or lost something while riding? Our friendly customer service representatives are just a call away! Whether it’s a question, complaint, or compliment, we’re here for you!
Call us!
(520) 792-9222 (TDD: 520-628-1565)
We also offer translation assistance! Dial the Customer Service number then press 3 and say the language you need in English.
Email Us!
suntraninfo@tucsonaz.gov
Key Destinations & Attractions
Explore the many attractions and destinations along your route! Click on each destination to discover what makes it special and plan your next adventure.
Downtown Tucson
Route 4 drops you off at the heart of downtown at the Ronstadt Transit Center (RTC), Tucson’s central transportation hub. RTC connects you to multiple Sun Tran and Sun Express routes, plus the Sun Link Streetcar. In downtown Tucson you can find a mix of culture featuring an array of restaurants, museums, theaters and unique local businesses making it a popular spot for locals and visitor alike.
Route Connections: 1, 2, 3, 4, 6, 7, 8, 10, 12, 16, 18, 19, 22, 23, 25, 101X, 102X, 103X, 104X, 105X, 107X, 109X, 110X and Sun Shuttle 421.
University of Arizona Museum of Art
The University of Arizona Museum of Art offers an inspiring collection of over 6,000 artworks, spanning Renaissance masterpieces to modern and contemporary pieces. Located on the University of Arizona campus, the museum provides visitors with engaging exhibitions, educational programs, and access to celebrated works, making it a vibrant center for art appreciation and cultural enrichment in Tucson.
Banner – University Medical Center Tucson
Banner – University Medical Center Tucson is a leading hospital and academic medical center, providing comprehensive healthcare services, advanced treatments, and specialized care. As part of the University of Arizona’s College of Medicine, it’s recognized for its commitment to medical research, education, and patient care, serving as a primary destination for high-quality healthcare in Tucson and Southern Arizona.
Himmel Park & Library
Himmel Park in Tucson, Arizona, is a beloved community green space offering a variety of recreational amenities, including sports fields, a playground, picnic areas, and a public pool. It’s a popular spot for family outings, fitness activities, and outdoor events.
Within the park, the Himmel Park Library provides a cozy, welcoming space with a diverse collection of books, community programs, and resources for all ages, making it both a cultural and recreational hub for the neighborhood.
The Loft Cinema
The Loft Cinema is an iconic, nonprofit theater known for its unique selection of independent, foreign, and classic films. The Loft offers special screenings, film festivals, and community events, creating an immersive experience for film lovers. Its vibrant atmosphere and diverse programming make it a cultural gem and a must-visit destination for anyone looking to explore film beyond the mainstream.
Did you know? The Loft Cinema is 52 years old, making the longest continuously-operating movie theater in Tucson.
Park & Rides
Sun Tran Park & Rides offer convenient and stress-free parking options for commuters across Tucson. Route 4 makes it even easier, stopping at four Park & Ride locations: Himmel Park, Golf Links/Kolb, Speedway/Harrison, and Houghton/Broadway. Park your car and hop on the bus—it’s a simple, efficient way to get where you need to go!