3-4 hours of sunlight is not enough for a clover product. Also, clover is shallow rooted and will not tolerate much ATV traffic. No Plow type products need the same sunlight (4-6 hours min) - on good soils, and only will last one year if they take. Grasses will stand up to traffic well, but are a poor chioce for deer. However, unless the vegetation is real sparce around the trail, I'd go with a cheap, shade tolerant grass, spread thinly to encourage natural forb growth, and I would fertilize the trail and vegetation on either side of the trail to encourage good browse as the woods try to "fill in" the trail. We do this with our log roads with one exeption - we continuously cut back the brush on either side of the trail (10 ft) to encourage browse production. You may not have the option of cutting back the edges.

I can tell you from experience that planting the roadways is a tough proposition if the trees are over 20 ft tall on the edges. You get fooled in the spring, because it seems there is enough light, but once the leaves come in, shade is generally the rule.